Abstract:… accident, the DOE, nuclear fuel suppliers, and EPRI, have begun to focus R & amp;D efforts on advanced LWR fuel and components that are more accident tolerant than current zirconium alloys. One area of interest are fuels and components fabricated from ceramic composites… more
Abstract:… and/or waste heat) as it has the potential to greatly surpass the power generation capabilities of more traditional approaches. Unfortunately, deficiencies in performance, high process costs, manufacturing, toxicity and durability of state-of-the-art ceramic-based… more
Abstract:…. Adherent Technologies has previously developed retrofit kits to produce clean-burning fireplaces that meet the EPA Phase II standard. In this program, we propose to develop a retrofit kit for existing industrial boilers using similar technology based on reticulated … more
Abstract:Boron carbide (B4C) ceramic is one of the hardest materials available and, in the form of a fiber composite, it is expected to improve ballistic performance of personal armor and armored vehicles. Due to the nature of its covalent bond, it is very difficult to manufacture full… more
Abstract:Ceramic Matrix Composites (CMCs) can provide excellent high temperature performance in a wide range of applications (e.g., jet engines). However, designing and manufacturing components from CMCs continues to represent a challenge to industry. AltaSim Technologies is currently… more
Abstract:… of coatings, accelerator down time is a significant expense. By reducing maintenance costs of current accelerator components, more resources can be focused on conducting research. The proposed approach will use atomic layer deposition (ALD) to deposit highly uniform ceramic… more
Abstract:… proposed project is focused on the development of a novel, low-cost integrated package and heat sink assembly for use in high-temperature power module packaging and thermal management. This integrated package and heat sink is enabled by a unique integrated … more
Abstract:… 10 fold higher breakdown voltage and 90% lower switching losses. Currently, packaging technology to support SiC power module operation at temperatures of 250 oC and higher does not exist. The proposed integrated package and heat sink assembly is comprised of a … more
Abstract:… pseudarthrosis due to a slow rate of fusion. As a result, there is a large effort to develop bone graft substitutes or extenders that can not only reduce or replace the need for harvest of autogenous bone but also accelerate the rate of fusion (arthrodesis). Ceramic bone graft… more
Abstract:… of BaBrI:Eu and
CsBa2I5:Eu can be grown relatively easily by melt based crystal growth techniques such as
vertical Bridgman method. In contrast, the growth of CsBaI3:Eu would require techniques that
support phase formation below its melting such as flux growth or ceramic… more
Abstract:… time. The energy and timing resolution of these new garnetscintillators surpass those for the existing PET scintillators. Furthermore, due to their cubic structure and the associated physical and optical isotropy, these garnet scintillators can be fabricated using ceramic… more
Abstract:Advanced ceramic matrix composites (CMC) are required for various components in the propulsion system along the hot gas path, where pressures up to 3000 psi and flame temperatures from 4000 degrees F to 5000 degrees F are encountered. In order to achieve the lightest possible… more
Abstract:The Phase II STTR technical objective will update, expand, and validate the excellent results achieved in the Phase I"Analysis and Modeling of Foreign Object Damage (FOD) in Ceramic Matrix Composites (CMC"s)"program. The program will evaluate CMC component life… more
Abstract:…ructures in static and rotating components such as one-piece integrally bladed rotors (IBR''s) in military turbine engines has created an increased risk of high cycle fatigue(HCF). The Phase I and Phase II SBIR efforts demonstrated that plasma sprayed ceramic coatings… more
Abstract:…turbine engine control systems for improved fuel efficiency and improved pollution control. Sensors of this type may also be useful as process control sensors and feedback controls for industrial processes ranging from metal and glass processing to pyrolytic ceramic coating to… more
Abstract:This work proposes to address the capability gap for low frequency, low power transducers in a small form factor. We propose to use newly evaluated resonance modes of single crystal piezoelectrics that provide savings of over 75% in transducer volume. The program will evaluate the shear mode… more
Abstract:TRS proposes to develop a simple-to-use, launch capable, ultrasound transducer that is capable of producing the necessary bandwidth to accurately determine in vivo bone characteristics that correlate to loss of strength in astronauts in long-duration space flights (microgravity). The transducer… more
Abstract:ABSTRACT: TRS Technologies, Inc. proposes to develop nonlinear dielectric ceramic capacitors for discharge pulse power application and reduce the production cost of cofired multilayer capacitors. In the phase I program TRS developed a new antiferroelectric composition showing… more
Abstract:TRS proposes to develop an extremely low frequency sonar projector transducer miniaturized through specific designs that allow incorporation into an array on the large diameter underwater vehicles. Piezoelectric single crystal growth technology based on PMN-PT has advanced the acoustic transduction… more
Abstract:TRS Technologies has developed high energy density materials and components for Ferroelectric Generators (FEGs). Our technology is based on advanced materials and processing resulting in high quality ferroelectrics with high mechanical and electrical strength. For this program, we will use these… more
Abstract:… of increased speed, range, and payload. Previous Navy funded programs have addressed development of fabrication methods to grind and polish outer and inner surfaces of ogive domes to the required shape. However, an aerodynamic ogive dome of transparent ceramic material… more
Abstract:…. The project elucidates the relationship between the physiochemical properties of the silicate compositions (e.g., surface area, pore size, pore volume, surface polarity and chemical composition) and the effectiveness of the mesophases in forming carbonaceous and ceramic… more
Abstract:Supersonic air vehicles require nose radomes that can withstand high temperatures as well as have high RF transmission over wider radio frequency bandwidths. Typically nose radomes are built from solid laminate or monolithic ceramic materials which inherently have a very narrow… more
Abstract:… enable the affordable application of multi-functional high temperature coatings having enhanced resistance to high temperature engine environments. For example, thermal / environmental barrier coatings (T/EBCs) are envisioned to protect the surface of Si-based ceramics against… more
Abstract:… number one problem of electronics failure in space environment?"latch-up". The new technology would entirely eliminate all sources of 'latch-up" events, thereby drastically reducing space electronics risk. The new technology of 'solid-state … more
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