Water test facilities are currently used to obtain qualitative information about mixing flow fields in ducted ramjet combustors. this information comprises photographs of flow streamlines and measurements of residence times for fuel and air within the combustor. the measurement of velocity vectors… More

The proposed research addresses in an exploratory way the problem of high temperature low cycle fatigue (htlcf) in single crystal nickel base alloy, rene n4. this alloy belongs to the latest class of alloys identified for application in future military aircrafts. the scope of this proposal includes… More

The ever increasing demand to incorporate lighter weight, lower cost alloys for aerospace applications has led to the development of a series of aluminum-lithium-x (al-li-x) and aluminum-iron-x (al-fe-x) alloys. al-li-x alloys provide significant weight and life-cycle cost reductions in aircraft… More

Diamond like carbon films have been under consideration as potentially useful materials for optical components. this proposal identifies several possible ways to improve these materials and make them more versatile. these includeadding silicon to provide amorphous silicon carbon coatings through… More

A feasibility study will be carried out for developing appropriate ion implantation and ion beam mixing procedures to selectively implant in alloy the near-surface regions of industrial gas turbine blade alloys in 939 and in 597 (nickel base superalloys) for improved hot corrosion resistance. ions… More

An investigation is proposed that will examine the scientific fundamentals associated with the fabrication of amorphous metallic films and coatings using deeply penetrating high energy ion beam mixing. the technical approach will make use of the so-called structural difference rule for amorphous… More

The reproducible formation of high reliability ohmic contact in a ntype gaas is a major problem in the gaas based electronic device technology. standard technology utilizes furnance annealing of auge eutectic composition with an overlayer of ni at temperatures in the range of 400-450 degree c. this… More

Rapidly quenched aluminide alloys are of importance in power metallurgical (p/m) fabrication of light weight high strength structural parts intended for use in advanced aerospace systems. the ultimate mechancial properties of these compacted parts depends critically on the oxide skin of the powders… More

Visual analysis is presently utilized in many fields of research and development to obtain qualitative data and in industrial process for monitoring and control. these visual data systems are very expensive and complex due to the conversion of visual information to digital data necessary for… More

This research proposal is aimed at developing an apprentice system for prompting and guiding die design procedure and process simulation. the approach is a novel one because it synthesizes the available techniques from software engineering (se), data bses (db), operating systems (os), analytical… More

Improved performance capability would result from instruments utilizing windows with both high transmission and broad band characteristics. a single layer anti-reflective film has the important characteristic of improving the transmission of the substrate at all wavelengths even though it does not… More

The problem of oxidation in the hot sections of a modern jet engine is serious. it is said that a jet engine with unprotected turbine blades cannot make a single transatlantic flight because of oxidation. nickel-base superalloys that are used in the hot sections are protected by oxidation resistant… More

The task is to conduct an economic and technical feasibility study to determine whether the high labor-intensive efforts to produce sppot training material can be reduced through innovative computer-based capabilities. the study will result in an economic feasibility report and a technical… More

This goal of this research program will be the production of heavily doped gallium in silicon (greater than 4 x 10 atoms/cm ) by ion implantation. the product will be analyzed to determine the characteristics of impurity band conduction as it applies to the de velopment of a thin (4 microns)… More

This proposal is aimed at developing a concept for identifying a model of concurrency and language to describe parallelism inherent in process simulation (finite element analysis) of metal-working processes) and process control. the main goal is to develop the advanced parallel hardware systems to… More

Titanium alloys are used in high performance aerospace components due to their unique combination of high strength-to-density ratio and excellent corrosion resistance. the ever increasing demand for stronger and lighter alloy for airborne applications requires new titanium alloys with useable… More

The use of energetic ion beams to improve the integrity of potential first wall materials such as tic, sic, and cx-c is planned. in particular, improvements in properties such as porosity, adhesion, resistance to to damage by thermal shock, and resistance to radiation damage are envisaged, low… More

The goal of this effort is to produce an integrated behavioral/ physiological test batter usable in combat systems, and linked theoreticlly to the task demands of the system. a basic theoretical framework incorporating relevant aspects of several current theories (performance resources, decision… More

The doping efficiency of boron in silicon solar cells is limited by the presence of oxygen which forms a complex with boron. specifically, the interstitial boron-interstitial oxygen defect structure is created when the boron concentration is in the range of 5 x 10 14 to 2 x 10 16 atoms/cm3 in… More

Military optical systems need hard, corrosion-resistant coatings. diamondlike carbon has many desirable properties for this purpose: hard, resistent to etch, roughness filling, and transparent in the visible to infrared. we are preparing to coat common infrared detector materials such as in, sb, ge,… More

The electronic and optical properties of devices based on semiconductor superlattices are found to be sensitive to the atomic arrangement at or near the interface of the compositional modulation. the examination of the material state of these interfaces is therefore an essential task. we propose to… More

The performance of corrosion resistant materials in chemicalindustries is adversely affected by various forms of corrosions. minor variations in the environment may have marked effect on their service life. in particular, stainless steels are the most used alloys in the chemical industry. although… More

The proposed phase i program will evaluate the capabilities of an infrared thermal imaging system to acquire thermal energy profiles from observations of bare-wall combustors. such a technique for the acquisition and storage of thermal heating data would assist in the analysis of combustion and… More

Integrated optics is the analog of integrated electronics in semiconductor circuits used for communications purposes. integrated optics has been demonstrated with components that are combined into simple hybrid circuits, however monolithic optics has been impeded through difficulties in constructing… More

Infrared detectors of high quantum efficiency are limited to operating temperatures lower than 60k. this proposal presents a counterdoped detector which will operate above liquid nitrogen temperature and thus reduce the size and weight of the cooling system used for the detector in an earth-orbiting… More

Manufacturing organizations employ a large body of knowledge in designing and manufacturing a product. the total knowledge involved in this process is: -distributed in diverse elements such as traditional software tools, expert system tools, databases, manuals, and expert project members,… More

This research program is directed toward a novel technique to convert organometallic polymer films into useful ceramic films by ion beam irradiation. a select group of organosilicon polymers that can be converted into sic, si3n4, si2on2, and sio2, will be synthesized. thin polymer film on silicon… More

Titanium alloys are of great interest in the aerospace industry because of their high specific strength, good fracture related behavior and generally better corrosion behavior. magnesium alloys also have been considered for aerospace applications because of their light weight. however, their poor… More

Titanium alloys are of great interest in the aerospace industry because of their specific strength, good fracture related behavior and generally better corrosion resistant behavior. the strength and hardness of ti alloys can be significantly increased by refining the microstructure through rapid… More

High resistivity single crystal silicon is necessary for the production of large-area silicon diodes. uniformity of dopants in the x, y, and z directions of the diode is important for the development of sensitive and standardized diodes. multipass float zoning in vacuum of high purity… More

Rectifiers that can block 20 kv and thyristors that can block 10kv are not presently available. silicon substrates for devices with this capability must be of extremely high purity; the radial resistivity gradient must be uniform to within one or two percent and free carrier generation due… More

The thickness of a mirror blank will be measured continuously from the back side, thus permitting the continuous removal of material from the front side without the necessity of stopping work periodically to measure the material removed. the method of measurement employs an "acoustic micrometer"… More

The overall objective of this program is to support the modernization of the precision casting industries in the united states by providing knowledge integrated computer aided engineering and manufacturing tools and methodologies for significantly reducing the cycle-time for mold and process design… More

Applications of thin film high t(c) superconductors are anticipated in various electronic devices such as in sensors, detectors, millimeter wave components and as coatings on power transmission lines. several groups have successfully deposited thin films on single crystal srtio(3) and mgo substrates… More

The objective of this phase i effort is to ascertain the feasibility of using a specific computer simulation methodology to determine the effects of advanced technologies on aircraft performance and mission accomplishment. certain advanced technologies add weight and/or volume to aircraft and may… More

High temperature superconductivity materials will permit development of a wide variety of electronic devices with decreased power requirements. this program will create large single crystallites of 1,2,3 compound superconductors material; increased current carrying capacity of large single crystals… More

High temperature solid lubrication is of interest to today's gas turbine engine technology. for example, the variable stator vane, bushings and thrust reversal bearings in gas turbine engines require high temperature self-lubricating hard coatings. the common way of laying down self-lubricated… More

Thin films of al(2)o(3) are usually deposited by techniques such as cvd or activated reactive evaporation. these processes, however, require a rather thigh (800-1200 deg c) substrate temperature which results in the diffusion of substrate material into the coating, thus, modifying the coating… More

Phase i will build a proof-of-principle "thousand point" model of a wide-band correlator and will design a correlator capable of finding a known "million point" signal among many signals and of determining the time of best correlation to one "point," even in the presence of doppler effects. the… More

As a first step leading to a low-cost traveling wave tube (twt) ues will conduct research into the fabrication of negative electron affinity (nea) semiconductor cathodes. if a high current density cathode (e.g., 25 a/cm(2)) is achieved, a low-cost electron gun for twts will be designed.

The objective is to build a prototype low-cost, high-performance 3-d arteriographic workstation. the workstation will be designed to produce 3-d images from the arterial tree (especially coronary arteries) and to assist in the quantification of atherosclerotic lesions. new desktop supercomputing… More

The objective of this program is to achieve strength and reliability improvements in structural ceramics through ion implantations. the approach will be to produce precipitablephases by high dose ion implantation and subsequent annealing. if the desired precipitate phase has lower thermal expansion… More

This document discusses a proposal to perform numerical simulations of aharanov-bohm (a-b) devices built of semiconductor heterostructures. in the calculations, we use the scattering matrix approach to properly treat the problem at the junction between the contacts and the two channels of the a-b… More

Universal energy systems, inc. is proposing an sbir program to develop coatings for fibers to be used as reinforcement in alpha(2)ti(3)al based composites. the requisite role of the fiber coatings in these composites is to minimize interdiffusion and reaction zone formation and/or to provide… More

The utilization of edge-defined, film-fed growth (efg) technique is proposed to produce al(2)o(3)-y(3)al(5)o(12) (yag) eutectic fibers. the seed crystal to be used is c-orientation sapphire. the raw materials required for this proposed research will be synthesized through the hydrolytic… More

The intent of this program is to develop, test, and evaluate the use of focused ion beams for the purpose of fabricating, through in situ materials modification, the necessary dimensional elements found in optoelectronic circuits. such elements would consist of monolithically integrated solid state… More

Recent studies at the air force materials directorate (wl/mllm) have shown that nb-nb5si3 based in-situ composites have the potential for providing an acceptable balance in low-temperature toughness and high-temperature strength/creep resistance, and therefore, are attractive candidates as… More

Ues proposes to gather data from traveling wave tube (twt) vendors and users and to analyze that data with respect to identifying factors which enhance or degrade the storage life of twts, especially twts intended for use in expendibles, such as off-board countermeasures and missiles.

Epi-less bond etch silicon-on-insulator (el-besoi) using mev ion implantation is a new approach to fabricating high quality soi particularly for very thin soi (100-300 nm) as required for use in high speed, fully depleted, cmos device structures. and the radiation response of such soi material is a… More

A melt spinnig process is proposed to produce the alumina-yag fibers. the objectives of the proposed program are to study: 1) the feasibility of producing a12o3-y3a15o12 (yag) fibers through the melt spinning technique, 2) the morphologies and diameters of the fibers as a function of various… More

The objective of this program is to achieve strength and reliability improvements in structural ceramics through ion implantations. the approach will be to produce precipitablephases by high dose ion implantation and subsequent annealing. the strength increase is expected from the localized volume… More

The discovery of a totally new form of carbon, CE60, known as fullerene, has sparked tremendous interest for various applications including that as a solid lubricant. Within the soccer ball shaped fullerene molecule, the bonding between carbon atoms are very strong, and the molecule has considerable… More

Mass screening using mammography is, at present, the only viable and effective method to detect breast cancer. it is difficult, however, to distinguish between benign and malignant microcalcificaitons associated with breast cancer. this difficulty results in a significant increase in the number of… More

Sputtered coatings of solid lubricating dichalcogenides suchas molybolenum disufide have received considerable attention, particularly due to vacuum and space applications. conventional magnetron sputtered films of these materials on most surfaces have short sliding life. asignificant enhancement of… More

THE PROPOSED RESEARCH ATTEMPTS TO DEVELOP AN ADVANCED CAPACITOR USING SiC FOR HIGH TEMPERATURE (400 0C), HIGH POWER, AND HIGH DENSITY ELECTRONIC COMPONENTS FOR AIRCRAFT OR AEROSPACE APPLICATION. THE CONVENTIONAL CAPACITOR CONSISTS OF A LARGE NUMBER OF METALLIZED POLYSULFONE FILM CAPACITORS IN… More

The proposed research addresses the development of several different types of refractory brazing fillers and evaluation of their properties for high temperature and low vapor pressure applications. refractory metals and alloys are omnipresent in nuclear space reactor assemblies. joining and bonding… More

The objective of this proposal is to develop surface preparation method for aircraft grade aluminum alloys for adhesive bonding using sol-gel processes. Low temperature phase y-Al2-O3 coatings will be prepared on aluminum alloys by sol-gel processing. The problem of drying and sintering of gels on… More

Threaded fasteners used in turbine engine experience seizing/galling problems due to exposure at high temperature, corrosive environment and vibration. A research program is proposed that includes determination of the mode of failure of the currently used fastener-coating systems, and evaluation of… More

UES is proposing a novel vapor synthesis route for producing MMCs in which the matrix alloy will be directly deposited on reinforcing fibers by magnetron sputtering under UHV conditions. A post-deposition consolidation will be used to fabricate MMC's directly from the matrix-containing fibers. This… More

The problem addressed is that future nuclear power plant control room operator workload will consist primarily of passive monitoring for extended periods of time. this will result in difficulty maintaining operator alertness and performance capability. the two objectives of this project are to… More

The proposed research activity attempts to develop an ultra-thin capacitor using TiO(2) as dielectric film for high-temperature microelectronics in commercial or military applications. There has been an increasing demand for a high dielectric constant insulator for replacement of SiO. TiO(2) film is… More

The recent major advances in surface hardening of polymers by ion irradiation opened up the opportunity for replacing many current parts in the automotive industry. there are many gear applications where the use of polymers is desirable from the standpoint of noise, cost, and/or weight reduction. … More

Under the Phase I effort, the UES team will utilize the existing methods for open loop control of hot forming processes to design the manufacturing processes for two critical parts. These efforts will utilize microstructural database information derived from compression tests and apply optimization… More

A UES, Inc. research team will develop and commercialize a Product Data Driven Netshape Forming Machine. It will be designed using fast and flexible design practices, call Lean Principles, and will operate in a digital environment. The research will be done in collaboration with an Industrial… More

Auxiliary Power Unit of military and commercial aircraft use permanent magnet generator to provide electrical power for key systems such as a full authority digital electronic control (FADEC) system and vital sensor systems. The rotor of this generator is made of samarium-cobalt magnets and… More

UES is proposing a novel approach for the protection of orthorhombic titanium aluminide matrix composites (OTMCs) from interstitial embrittlement using a ductile surface layer. The surface layer will be composed of a Nb-Ti-al-Cr alloy which offers the following advantages: (a) Excellent… More

Heterojunction bipolar transistors (HBT) are attracting much interest in high speed device applications, especially where high efficiency and high power density operation are of interest. A key issue for the manufacturability of HBTs is electrical isolation of individual devices from each… More

Power converter operating at cryogenic temperatures requires high critical current (JC) superconducting film in Ni alloys. It has bee shown, however, that YBa2Cu307-8 (YBCO) films deposited directly on these substrate materials exhibit poor superconducting properties at liquid nitrogen temperature… More

68 Development of Long-length Fabrication Technology for High Tc Superconductors Operating in High Magnetic Fields at 77K--UES, Inc., 4401 Dayton-Xenia Road, Dayton, OH 45432-1894; (937) 426-6900 Dr. Rama Nekkanti, Principal Investigator Mr. Francis F. Williams, Jr., Business Official DOE… More

As the size of the spacecraft is getting smaller and the time in space is lengthened (>10 years), more severe demands are placed on the tribological systems. To satisfy the requirements of the tribological systems of future spacecraft improved performance of lubricants and materials needed. A… More

Power converter operating at cryogenic temperatures requires high critical current (JC) superconducting film in Ni alloys. It has bee shown, however, that YBa2Cu307-8 (YBCO) films deposited directly on these substrate materials exhibit poor superconducting properties at liquid nitrogen temperature… More

As the size of the spacecraft is getting smaller and the time in space is lengthened (>10 years), more severe demands are placed on the tribological systems. To satisfy the requirements of the tribological systems of future spacecraft improved performance of lubricants and materials needed. A… More

A 3D Connected Simulation will be developed, which can properly address process design and material behavior at two possible levels of simulations, namely: (1) isolated simulation, and (2) connected simulations. The detailed simulation considers the isolated processes of netshape forging,… More

Traditional methods for aircraft paint stripping use compounds containing volatile organic compounds to loosen chemical bonds between coating materials. Recent tightening of air pollution regulations has made it impractical to continue using these compounds in the same way as in the past. A… More

50369-98-I Hard, Wear Resistant Coatings for Die-Casting Dies by and Advanced Filtered Cathodic Arc Deposition Process--UES, Inc., 4401 Dayton-Xenia Road, Dayton, OH 45432-1805; (937) 426-6900 Dr. Deepak G. Bhat, Principal Investigator Mr. Francis F. Williams, Jr., Business Official DOE Grant No.… More

The lubrication systems used in current weapon systems is outdated technology containing varying degrees of hazardous chemicals. Also, current semi-fluid lubricants do not function in sand enviroments. To meet the tribological requirements of future and current weapon systems, improved performance… More

Not Available It is difficult to measure pressures and temperatures on turbomachinery during engine development because of the difficulty of transmitting information from a rotating piece of equipment to a stationary recording station. The traditional method for measurements on rotating machinery… More

This proposal seeks to develop improved titanium machining process. Titanium alloys widely used in aerospace industry, are one of the most difficult workpieces to machine, which has become a major limitation in manufacturing. Unlike steel and aluminumbased alloys, titanium cannot take advantage of… More

65487 High current-carrying conductors for various applications can be fabricated by using a coating of high-temperature superconductor such as YBa2Cu3O7 (YBCO) on a suitable metallic tape. However, YBCO films deposited directly on polycrystalline metal substrates exhibit poor superconducting… More

The objective of the proposed program is to identify and develop aluminum based material that can replace the currently used Ti-5Al-2.5Sn ELI alloy as a liquid hydrogen pump impeller operating at 20¿K. This application requires very high specific strengthas well as adequate toughness and… More

High current carrying conductors for various commercial and military applications can be fabricated by using a coating of high-temperature superconductor such as Yttrium-Barium-Copper-Oxide (YBCO) on a suitable metallic tape. It has been shown, however,that YBCO films deposited directly on… More

The objective of the Phase II program is to continue development of a super-high strength cast and wrought aluminum alloy for a liquid hydrogen turbopump impeller. In Phase I, significant improvement in strength of a 7050 aluminum alloy by modifications ofchemistry and thermomechanical/heat… More

70277 - and optoelectronics, and micro-electro-mechanical systems (MEMS) integration often requires placing thin layers of different materials on a substrate or self-supporting thin layer. This cannot always be achieved by standard thin film deposition processes such as sputtering or pulsed… More

Near frictionless carbon (NFC) coating, a form of amorphous carbon that has a friction coefficient of less than 0.001 when measured in dry nitrogen, has been developed at the Argonne National Laboratory (ANL). This coating has potentials for manyapplications including that of naval shipboard. … More

Erosion and corrosion of compressor blades and vanes have been critical degraders to the life of the gas turbine engine fleet for naval applications. Similar problems also exist for civilian aircraft engines. Protection of turbine compression systems hashistorically consisted of coating airfoil… More

Near frictionless carbon (NFC) coating, a form of amorphous carbon that has a friction coefficient of 0.001 in dry nitrogen, has been developed at the Argonne National Laboratory (ANL). This coating has potentials for many applications including that ofnaval shipboard. In Phase I, UES has… More

To meet the requirements for improved performance and longer life of future gas turbine engines, the engine companies have investigated the possibility of using advanced, high-temperature, high-fracture toughness, corrosion-resistant, wear resistant andfatigue resistant steels in gas turbine engine… More

70277S02-II Micro- and optoelectronics, and micro-electro-mechanical systems (MEMS) integration often requires placing thin layers of different materials on a substrate or self-supporting thin layer. This cannot always be achieved by standard thin film deposition processes such as sputtering or… More

70277S02-II Micro- and optoelectronics, and micro-electro-mechanical systems (MEMS) integration often requires placing thin layers of different materials on a substrate or self-supporting thin layer. This cannot always be achieved by standard thin film deposition processes such as sputtering or… More

73009S03-I Turbine blades in coal-derived syngas systems are subject to oxidation and corrosion from high steam temperature and pressure. Although thermal barrier coatings (TBCs) have been developed to address these problems, further improvements are required, especially a prime-reliant design and… More

The primary goal of the Phase I work is to explore two processing routes to produce mirror systems based on the replication technique using master mandrel. One processing route is based on the deposition of nano-laminates of ceramics to provide optical aswell as mechanical integrity of the mirror. … More

We propose to demonstrate that polycrystalline YAG is an ideal material of choice for High Energy Laser Windows mounted in pressure bulkheads. We will demonstrate that dense polycrystalline YAG can be fabricated at low cost and that this material is fullytransparent with very low absorption and… More

The objective of this proposal is to develop an improved coating process for beryllium mirrors for military applications. The beryllium mirrors require precision optical coatings for high reflectivity at desired wavelengths and environmental protection.The proposed work combines the coating… More

We propose to demonstrate that oxide-oxide composites are the preferred material of choice for use as brake friction materials in aircrafts. We will demonstrate that oxide-oxide composites that are 90% dense can be fabricated at low cost and that this material has higher specific heat per unit… More

Aircraft brake pressure plates made of carbon-carbon composites are subjected to very high heat over 1000 degrees F causing oxidation, thus limiting the life span. Oxidation protective coating system needs to be developed that can substantially improve the performance characteristics and life span. … More

The proliferation of lasers in military applications requires R&D on optical limiters to protect against accidental and adversarial exposure to personnel and equipment. Thus, optical limiting materials are in great demand. The integration realistic modeling and simulation from first principles… More

Technologies for security marking and anti-tamper devices are effective, however current devices leave behind evidence that Air Force personnel were in a specific zone and can add a considerable weight to the load carried by Air Force personnel. Taking inspiration from nature, we propose a… More

Signaling pathways in cells historically have been studied using in vitro assays, where components are purified from cells and the reactions are done in a test tube. These assays can be helpful in identifying key players of signaling pathways, however these in vitro assays cannot mimic the complex… More

The objectives of the Phase I work are: 1) to demonstrate the fabrication of a small scale (~2 inches) replicated hybrid/composite mirror assemblage, based on the SiC/Si3N4 nano-laminates and 2) to measure the optical qualities of the mirror surface. The proposed replication technique is capable of… More

We propose to demonstrate that fine-grained polycrystalline Nd-doped YAG can be fabricated at low cost with optical properties close to those of single crystals. Its ease of fabrication in complex geometries makes it an ideal material of choice for solid state laser host material for use in… More

YBCO film through MOD approach is one of the most cost effective methods for long length CC fabrications. Although, this process has shown success on films below 1 micron, thicker films with performance goal of 500 A/cm have not been demonstrated even on small samples. Increasing Ic through further… More

This Small Business Innovation Research (SBIR) Phase II project is directed toward the development of cadmium zinc telluride (CdZnTe) single crystal films by using an ion beam layer separation process from bulk single crystals. The separated layers will be transferred and bonded on to silicon (Si)… More

This Small Business Technology Transfer Program (STTR) Phase I project seeks to develop a new oxidation barrier for preventing oxidation of the bond-coat in current state-of-the art thermal barrier coatings (TBCs). TBCs have been applied to the hot sections of aircraft turbine engines to increase… More

Aircraft brake pressure plates made of carbon-carbon composites are subjected to very high heat over 1000 degrees F causing oxidation, thus limiting the life span. Oxidation protective coating system needs to be developed that can substantially improve the performance characteristics and life span. … More

The proliferation of lasers in industrial and military applications requires R&D for materials to protect against accidental and adversarial exposure to personnel and equipment. However, new and improved materials development is time consuming and evolutionary, and hence it is essential to develop… More

Cell function and survival are dictated by the transduction of the appropriate signaling pathways within the cell. These signaling pathways regulate nearly every aspect of cellular function from growth and proliferation, to progammed cell death, and sensing the surrounding environment. Until… More

This Small Business Innovative Research Phase I project explores the feasibility of depositing nano-layered protective coatings for ZnS windows and domes. Nano-layered superlattice consisting of two optically transparent hard materials will be designed for transmission to cover the multispectral… More

YBCO film through MOD approach is one of the most cost effective methods for long length CC fabrications. Although, this process has shown success on films below 1 micron, thicker films with the performance goal of 500-1000 A/cm have not been demonstrated even on small samples. Hence, long length… More

This Small Business Innovation Research (SBIR) Phase II project is directed toward the development of cadmium zinc telluride (CdZnTe) single crystal films by using an ion beam layer separation process from bulk single crystals. The separated layers will be transferred and bonded on to silicon (Si)… More

UES Inc., a small business company, with support from a titanium casting company, proposes to develop an innovative titanium casting methodology that combines the low cost and high quality. When fully developed this new casting methodology will enable replacement of currently used expensive wrought… More

This Phase I SBIR program is focused on developing engineered materials for a replicated hybrid/composite mirror that can operate in the visible optics range at ambient air or space condition and that has an areal density

Silicon based ceramics are the leading candidates for the high temperature structural components of the advanced propulsion engines. For such applications, one key drawback of silicon based ceramics is the volatilization of the protective silica scale in engine relevant oxidizing and water vapor… More

Condition monitoring of the components of the gas turbine engine is essential. Gas turbine engines are being designed to run at sustained high temperature conditions. The limiting factor to the implementation of the control and diagnostic capabilities for health (condition) monitoring are not the… More

Unitized airframe structural components in place of sheet metal built-up components provide significant affordability by reducing part count and assembly cycle times and costs. Development of cost effective methods for the design and analysis of such components would provide significant benefits to… More

Advanced gas turbine engine bearings will experience high DN (bearing speed in revolution per minutes times bearing bore in millimeter), increased load and high temperatures. State-of-the-art (SOA) materials such as Pyrowear 675, CSS-42L and silicon nitride are considered as potential bearing… More

We propose to demonstrate scale-up of our process methods and establish the commercial feasibility of being a domestic (USA) supplier of ultra-high purity powders of doped YAG, and a domestic (USA) supplier of fine-grained polycrystalline doped YAG for laser host applications. We propose to… More

The use of titanium on the EFV provides significant weight savings and performance benefits. However, titanium is expensive due to high material and processing costs, and there is a strong need to explore low-cost processes to produce net-shape titanium components to control the overall vehicle… More

There is a need for extra light-weight mirrors for space environments. In response to this need, UES, Inc. conducted research on light-weight diffraction limited optics that is also amenable to rapid mirror fabrication. The basis of the proposed mirror system was a SiC/Si3N4 nano-laminate of low… More

State-of-the-art (SOA) materials such as Pyrowear 675, CSS-42L and silicon nitride are considered as potential candidates for application in advanced gas turbine engine bearings. However, for such application surface modification of SOA materials is required to enhance their wear, corrosion and… More

This Small Business Innovative Research Phase I project explores the feasibility of design and development of an infrared transparent, MMW band-pass coating for domes and windows that meets the technical challenges of multi-band transparency and electromagnetic shielding. The strategy is based on… More

Development of materials for sensor technology is a significant and challenging area in current and future aerospace applications. There is increasing demand for high temperature sensors that operate accurately and reliably in extreme environments to enable vehicle health monitoring. In this… More

This Small Business Technology Transfer (STTR) Phase I program seeks a new fabrication method to produce stronger (>100 kpsi) and tougher (>10 MPa,cm) TaC-based composites for use as zero-eroding rocket nozzle throat components for high performance, reduced-cost boost propulsion systems. UES will… More

Current ceramic matrix composites (CMCs), being evaluated for use in gas turbine engines, require a coating ¿ either an environmental barrier (EBC) or a thermal protection layer (TPS) ¿ to reach the required operating temperatures. Because these coatings are subject to degradation,… More

Space tracking and surveillance systems require mechanical assemblies that operate in varying and extreme atmosphere and temperature conditions. For proper functioning of these mechanical assemblies in space for many years, highly stable lubricating and wear resistant coatings are needed. To this… More

UES proposes to develop and perfect a new method of controlling plasma parameters based on nonlocal nature of the electron energy distribution function in the pulsed plasmas, i.e., develop nonlocal plasma technology (NLP technology). The NLP technology is based on application of nonlocal properties… More

This STTR Phase I project is directed towards the development of high performance large-area thick YBCO films on suitable single crystal substrates through solution approach for transmit and receive applications. Two architectures of multilayer (YBCO/CeO2)xn and single layer YBCO will be explored to… More

Thermal barrier coatings (TBCs) are susceptible to damage under service conditions due to environmental contaminants such as calcium-magnesium-aluminum-silicon-oxide systems (CMAS). UES Inc proposes to design and fabricate composite TBC coatings to provide enhanced protection against CMAS attack.… More

Currently-used buffer layers for second generation (2G), High Temperature Superconducting (HTS) coated conductors, needed for the modernization and expansion America¿s electricity delivery system, usually contain 3 to 5 layers of different thicknesses, making it slow and complicated for practical… More

Even with well equipped filtering techniques that are available today, sand ingestion reduce efficiency and life expectancy of gas turbine (GT) engines. A remedy for the problem is to coat related parts of the engine with a suitable material that can withstand the damage caused by the fast flying… More

The use of polymer matrix composites in selected parts of the future aircraft turbine engines offers significant benefits for aircraft engine performance. However, their useful life time (durability) is limited by their poor erosion resistance. UES, Inc. proposes to develop advanced highly adherent… More

There is a strong need for producing novel aeroshell structures that integrate the thermal protection system with the airframe and to utilize new lightweight materials that possess the requisite high temperature strength and performance such that future hypersonic vehicles are operationally… More

Nanotechnology present new opportunities to increase the performance of traditional products and to develop unique ones. Nanoparticle applications are already becoming more prominent in coatings, computers, clothing, cosmetics and other products and the trends suggest that nanoparticles will… More

Detection of chemical and biological warfare agents in a real-world setting is an increasingly urgent problem. Many of the current state-of-the-art sensors are aqueous based and require large biomolecules, such as antibodies, to achieve binding of the target molecule and subsequent reporting of the… More

Dense aluminum and aluminum alloy coatings are needed for corrosion protection of high strength steel, aluminum and other materials. The major objective of this work is to develop and demonstrate an electroless aluminum deposition process using organic solvents and room temperature ionic liquids… More

In this SBIR phase-I proposal, a physics-based modeling approach is proposed to predict the spallation in Ti-6Al-4V coupons induced by laser shock peening (LSP). Although LSP can dramatically improve the fatigue strength, life and resistance to crack propagation in materials and parts, small… More

The current state-of-the-art techniques for thermal barrier coatings (TBCs) are typically line-of-sight. Therefore the achievable coating thickness distributions on complex shaped parts are limited and inconsistent. The geometry of the turbine airfoils is getting more complex with each design making… More

Currently, ceramic matrix composites (CMCs), which generally are lighter and more thermally stable than their metallic counterparts, are under evaluation for use in industrial gas turbine engines. The use of CMC could permit higher operating temperatures and reduced cooling, thereby contributing to… More

The use of polymer matrix composites in selected parts of the future aircraft turbine engines offers significant benefits for aircraft engine performance. However, their useful life time (durability) is limited by their poor erosion resistance. In Phase I, UES demonstrated the feasibility of a… More

In Phase I, we have shown that Nb alloys are attractive for higher temperature TPS applications in comparison to Ni-based superalloys, based on strength at temperature and density. Phase I work has demonstrated the ability to process these alloys in sheet form and has shown that the alloy can be… More

The Joint striker fighter (JSF) concept was to design a new fighter plane that can serve for all three defense branches, Air Force, Navy and Army. The concept required coming up with new engines and aircraft designs with improved capabilities and cost effective manufacturing technologies. Advanced… More

This STTR Phase I program is focused on evaluating both fine-grained alpha-alumina and polycrystalline YAG materials for utilization as visible and UV-transparent windows in advanced propulsion systems. These applications require improved window materials that provide for higher temperatures and… More

UES, Inc., partnered with Princeton Plasma Physics Laboratory, proposes to develop a new method of controlling plasma parameters based on the nonlocal nature of the electron energy distribution function in plasmas. Specifically we propose to develop nonlocal plasma technology (NLP-technology) in… More

This Small Business Technology Transfer (STTR) Phase I project is directed toward development and commercialization of a new low temperature metal-organic chemical vapor deposition technology for boride coatings. Diborides of transition metals are very attractive for their high hardness and good… More

This Small Business Innovation Research (SBIR) Phase I project will develop a biosensor to detect proteins or biomacromolecules (viruses, spores, etc.) in real time with increased specificity and decreased background compared with the current state-of-the-art. Currently, biosensors rely on… More

During the Phase I program, UES successfully demonstrated the technical feasibility of a novel concept ("Top-Down Process") to produce TaC-based composites with high mechanical strength and exceptional toughness (~12 MPa m1/2). We believe such accomplishments will allow for the near term… More

The objective of this SBIR project is to develop spall propagation resistant turbine engine mainshaft bearings for improved reliability, safety, and performance margin of aircraft propulsion systems. New case carburized Pyrowear 675 steel has been developed for bearing races that has been shown to… More

This Small Business Innovation Research Phase I program seeks to develop a new fabrication technology for producing an ultra-light hybrid mirror for space applications. The state-of-the art space mirrors made of glass and SiC are costly to produce. The areal density of the glass and SiC mirrors also… More

The objective of this program is to develop a capability for a field deployable proton accelerator system that can generate high energy protons to neutralize concentrated masses of bio-agents held in steel storage drums. The Phase I research and development will involve conceptual design of a… More

The Joint Strike Fighter Short Take-off and Vertical Landing (STOVL) aircraft will operate in desert environments and ingest abrasive particles during the critical take-off and landing stages of operation. Under such conditions, the compressor airfoils on the JSF STOVL aircraft's integrally bladed… More

This Small Business Technology Transfer (STTR) Phase II project is seeking the transfer and further development and commercialization of a new low temperature metal-organic chemical vapor deposition (LT-MOCVD) technology for boride coatings. The project will work to develop coatings for… More

Gamma titanium aluminide alloys (gamma alloys) possess the attractive combination of low density (~50% of that of superalloys) and high temperature (up to 1500 degrees F) capability, ideal for hot airframe structure and turbine engine applications. Yet, gamma alloys have not been inserted into… More

Various DoD systems are starting to incorporate superconducting devices for sensing and/or manipulating electromagnetic fields, from filters for shipboard communication systems, to superconducting transmission lines for use as a microwave power limiters, to the development of electrically small… More

There is an increasing demand for high temperature sensors that operate accurately and reliably in extreme environments and they are vital in several aerospace applications. This aim was directly addressed by a novel idea where microstructural changes caused by phase transformation and the attendant… More

The primary material and manufacturing limitations of gamma TiAl alloys include processing difficulties, requiring costly non-conventional processing requirements, and large lamellar grains, which reduces damage tolerance. We have developed a new class of TiAl-based alloys, called beta gamma, which… More

We propose to develop and validate a computational methodology to predict microstructural evolution, associated with thermal history during processing or during service of marine grade aluminum alloys, and use the results to predict the mechanical properties that are controlled by those… More

This STTR Phase II project is directed towards the development of high performance large-area thick YBCO films and microwave devices on suitable single crystal substrates through modified TFA-MOD approach for transmit and receive applications. We propose to continue our successful Phase I project to… More

This Small Business Innovation Research (SBIR) phase I research aims to develop a dual-layer protective coating system for carbon/carbon (C/C) composites, using a novel, low-cost sol-gel method. The success of the dual-layer coating technology has been proven earlier by the company?s the physical… More

UES, Inc., in collaboration with the University of Cincinnati, proposes to extend the science and application base of the laser shock-induced spallation modeling tool from coupons to real-life work pieces. The specific implementation involves three steps. Firstly, we plan to incorporate the effects… More

Detection of chemical and biological warfare agents in a real-world setting is an increasingly urgent problem. Many of the current state-of-the-art sensors are aqueous based and require large biomolecules, such as antibodies, to achieve binding of the target molecule and subsequent reporting of the… More

The application of superconducting technology will be a major factor in the improvement of the nation¿s electrical system. However, traditional coated conductors (CCs) on metal tapes suffer AC losses due to their high aspect ratio. Substrate magnetic and eddy current losses also are unavoidable… More

In the Phase I STTR work, YAG (yttrium aluminum garnet) was identified as the superior choice for use as a UV-VIS window in advanced propulsion applications, based on measured properties and literature data. YAG provides a better combination of retained high temperature strength, creep resistance,… More

A key limitation in the use of silicon carbide based composites (SiC/SiC) in the next generation turbine engines is their poor oxidation resistance and SiO2 recession at high temperatures particularly in the presence of water vapor. The primary objective of an environmental barrier coating (EBC) is… More

The proposal addresses the issues related to the design of a MW class DC or AC current transmission line suitable for use onboard of an aircraft. The main questions are the amount of losses in such a line and the efficiency, weight and overall size of the whole system. The key issues that are… More

Ionic liquids are candidate lubricant materials. However for application in low temperature space mechanisms their lubrication performance needs to be enhanced. UES Inc in collaboration with Covalent Technologies Inc propose to improve the tribological (lubrication) characteristics of the… More

In the proposed Phase I program we intend to develop a physics-based, microstructure-sensitive 3D constitutive model for the prediction of fatigue, creep and resulting damage behaviors of advanced hot-section gradient-microstructure turbine disk materials. We will interface the proposed fatigue and… More

The objective of this SBIR project is to develop spall propagation resistant turbine engine mainshaft bearings for improved reliability, safety, and performance margin of aircraft propulsion systems. New case carburized Pyrowear 675 steel has been developed for bearing races that has been shown to… More

CMCs are currently being considered and used for aeroengine airfoil applications with a goal of increased specific power. Of a particular concern of CMCs regarding of life-limiting degradations is impact damage by small foreign objects. Fracture toughness and hardness have been the dominant material… More

High mach gas turbine engines will require bearings to operate at high temperatures (900-1200 F). At such temperatures fluid lubricants will not work. UES Inc. proposes to develop robust high temperature solid lubricant coating systems utilizing commercially viable process. The coating systems… More

The most efficient way to make high-temperature superconducting (HTS) wires, such as those needed for fusion reactors, is to make the materials into small diameter fibers for flexible filaments that can bundle into a cable. If the grains in the fiber can be aligned, then high current density, Jc… More

Develop a small, low power and accurate sensor for in-situ detection of chemical and biological clouds by measuring one or more constituents of the cloud, such as the size and concentration of the particulates or other identifiable constituents as the UAV passes through the cloud. DESCRIPTION: … More

This Small Business Innovation Research Phase II program seeks to develop a pioneering mirror replication technology for producing hybridized ultra-light mirrors for space applications. Current state-of-the art space mirrors do not satisfy the ULHCMs (Ultra-Lightweight Hybrid/Composite Mirrors)… More

High performance mechanical systems such as bearing and gears in advanced gas turbine engines for the Joint Strike Fighter(JSF) are required to operate at ever increasing speeds, temperature and loads. An advanced high temperature case hardened bearing steel Pyrowear 675 has been developed for these… More

The objective of the proposed SBIR Phase I program is to identify and develop an advanced high strength aluminum alloy for applications in aircraft wheel and brake systems. These applications require material with enhanced property combinations, such as high specific strength, high fracture… More

Detection of biological warfare agents in a real-world setting is an increasingly urgent problem. Many of the current state-of-the-art sensors are aqueous based and require large biomolecules, such as antibodies, to achieve binding of the target molecule and subsequent reporting of the binding… More

The desire for higher performance engines and hypersonic vehicles requires that new materials be developed to meet the harsh environments that will be encountered in thermal protection systems and engine components. One approach to higher thermal efficiencies in a gas turbine engine is to increase… More

Thermo-mechanical processes of turbine disks have been progressively improved to meet microstructural requirements tailored for advanced, sustainable high temperature performances. However, the chemistry of typical Ni-base turbine disk alloys is very complex, and yields a variety of phases and… More

This Phase I STTR program seeks a new fabrication method to produce stronger (>100 kpsi) and tougher (>10 MPa m1/2) ultra high temperature Ta-Hf-C-based composites (UHTC) with an outstanding oxidation resistance for use as thermal protection systems for hypersonic applications, as well as for… More

Military applications for CBRNE/GWTO and C4ISR require R&D for materials to protect personnel and equipment. However, challenges remain in experimental synthesis and characterization of new materials, such as providing insight into observed properties for further advancement. Thus, it is essential… More

Currently the commercially available technologies for H2 separation such as pressure swing adsorption and cryogenic distillation are very energy intensive. Membrane technologies can be very energy efficient; but for high selective membranes low flux and high cost are the major challenges that… More

Higher operating temperature for the gas turbine engine is needed for enhanced efficiency, lower emission and increased performance goal. The current state-of-the-art thermal barrier coatings (TBCs) are not adequate to provide the needed protection for the metallic components of the turbine engine… More

In this Phase I work, UES will advance its current patented technology towards a novel ceramic process to produce high quality polycrystalline YAG fibers that meet the required properties for high power fiber laser applications. We show that YAG is far superior to silica as a material choice for… More

In this Phase I SBIR program UES will develop an economic fabrication process to produce high optical quality infrared (IR) windows for reconnaissance window applications. The state-of-the art reconnaissance window are lacking in optical quality and/or durability to withstand operational… More

The military electrical systems have continually evolved into higher power, more compact architectures. This trend has generated the need for capacitors with high voltage breakdown strength and high insulation resistance to condition, insulate, and distribute power throughout the weapon system. … More

Electrical motors are rapidly replacing hydraulic motors in flight actuators for military/civil aircraft applications. In hydraulic systems, accumulators are used to store regenerative energy from the hydraulic actuators as well as to supply peak energy demands of these actuators in response to… More

In the Phase I program UES and QuesTek in separate collaboration with Rolls-Royce developed various multi-physics based property prediction models for a dual microstructure heat treatment (DMHT) turbine disk alloy RR1000, and demonstrated feasibilities of those models and approaches for the property… More

The purpose of the project is to formulate and develop advanced nano-lubricant/fluid and demonstrate their potential to reduce gear erosion wear in the Army missile weapon systems. The tribological performance of the developed nano-lubricant fluid will determined and compared with that of the… More

Various DoD systems are starting to incorporate superconducting devices for sensing and/or manipulating electromagnetic fields, from filters for shipboard communication systems, to superconducting transmission lines for use as a microwave power limiters, to development of electrically small… More

This SBIR Phase I project will develop a passive sensor for real-time detection of E. coli without concentration steps. It is based on the change in conductivity which would occur when the bacterium is captured by peptidoglycans specific to that strain which have been immobilized on two… More

The Special Operations Forces mission requirement for remote weather sensing can be satisfied with an innovative solution that addresses tactical mobility in high threat environments. Within this context UES proposes the development of a novel Micro Weather Sensor, a modular system consisting of a… More

Due to the high aspect ratio, alternative current (AC) loss is a severe problem for the traditional coated conductors (CCs) on metal tapes. Cutting wide CC tapes into small strips to reduce aspect ratio can minimize AC loss. However, technology limitations remain. Also, substrate magnetic and eddy… More

Development of superconducting current leads based on YBCO coated conductors. The purpose of the project is to develop methods of optimization for high current, low voltage current leads based on YBCO coated conductors. The purpose of such leads is to provide power to the magnets using higher… More

Higher operating temperature for the gas turbine engine is needed for enhanced efficiency, lower emission and increased performance goal. The current state-of-the-art thermal barrier coatings (TBCs) are not adequate to provide the needed protection for the metallic components of the turbine engine… More

OBJECTIVE: Advanced pulsed power switching technologies are needed to enable future nuclear weapon effects (NWE) experimentation capabilities and concepts for the active interrogation of special nuclear materials (SNM). The objective of this research is to advance the state of the art of high-gain… More

An Android based solution for presenting the Radio Telephone Operator (RTO) with a graphical view of the radio frequency (RF) field intensity distribution in urban environments is proposed. The field distribution is presented as a semi-transparent overlay to a satellite image. The solution will… More

ABSTRACT: Electrical motors are rapidly replacing hydraulic motors in flight actuators for aircraft applications. In hydraulic systems, accumulators are used to store regenerative energy from the actuators as well as to supply peak energy demands of these actuators in response to flight control… More

Detection of biological warfare agents in a real-world setting is an increasingly urgent problem. Many of the current state-of-the-art sensors require large biomolecules, such as antibodies, to achieve binding of the target molecule and subsequent reporting of the binding event. This type of… More

High performance mechanical systems such as bearings and gears in advanced gas turbine engines for the Joint Strike Fighter (JSF) are required to operate at ever increasing speeds, temperature and loads. An advanced high temperature case hardened bearing steel Pyrowear 675 has been developed for… More

ABSTRACT: Phosphor materials are currently being utilized in a wide variety of applications. The requirements for phosphors have become more and more stringent with smaller and smaller particles being required. In the Phase I program UES Inc in collaboration with Penn State University proposes to… More

This project involves the development of a label-free detection technique for real-time and high-sensitivity detection of foodborne pathogens in meat processing and packaging facilities. It will be based on the development of highly specific and temporally-stable capture ligands for target pathogen… More

A consistent clean water supply is crucial to a stable and healthy population. Contamination of water resources with biological agents or toxins is concerning as clean water becomes a limited resource in society. The National Pollutant Discharge elimination systems (NPDES) permitting program… More

Group II introns are a novel class of catalytic RNA molecule that are capable of site specific insertion into DNA targets. This property can be reengineered to facilitate site specific DNA integration into a wide range of DNA targets. We intend to exploit this property of group II introns to… More

ABSTRACT: Addressing the problem of reliable prediction of the mechanical properties and durability of polymer composites, UES Inc. proposes developing multiple alternative commercially marketable computational tool that calculates macroscopic material properties based on chemical composition of… More

ABSTRACT: This Small Business Innovation Research Phase I project seeks to develop a new diffusion barrier layer that allows for a hydration tolerant thermal barrier coating (TBC) system, along with an outstanding oxidation resistance of the bond-coat. TBCs have been applied to the hot sections of… More

Aluminum (Al) has an energy density (-31.05 kJ/g) nearly three times higher than most molecular high explosives and its combustion yields an exothermic release of energy (f'Hf (Al2O3) = -1676.8 kJ/mol) but is limited by surface diffusion, therefore an increase in surface area yields a direct… More

This Phase I SBIR program seeks a new fabrication method to produce ultra high temperature Ta-Hf-C-based composites (UHTC) with an outstanding oxidation resistance, as well as stronger (>100 kpsi) and tougher (>10 MPam), for use as the advanced solid rocket motor applications. UES will apply a… More

Particle impacts cause erosion of leading edges of the compressor airfoils as well as the side or surface of the airfoil beyond the leading edge. Although erosion resistant coatings have been developed and applied on the airfoils during the past decade or two and that have protected the side or… More

Aluminum (Al) has an energy density (-31.05 kJ/g) nearly three times higher than most molecular high explosives and its combustion yields an exothermic release of energy ("'Hf (Al2O3) = -1676.8 kJ/mol) but is limited by surface diffusion, therefore an increase in surface area yields a… More