Abstract:Cemented cobalt-tungsten carbide is a material with attractive properties including high hardness and fracture toughness that has found success in a wide variety of applications ranging from drilling bits to armor piercing projectiles. However, with the classification of cobalt as a strategic and… more
Abstract:ABSTRACT: The challenge for manufacturing ceramic matrix composites using the preceramic polymer infiltration and pyrolysis (PIP) method is to ensure a fully dense matrix. Material loss during a pyrolysis cycle requires multiple reinfiltration and pyrolysis cycles to maximize matrix density. … more
Abstract:ABSTRACT: UES proposes to obtain data to anchor models for additive manufacture by electron beam melting (EBM). In this process, parts are made by scanning an electron beam in a raster defined by a CAD file over a powder bed such that powder is melted and resolidified to build a part… more
Abstract:ABSTRACT: Military aircraft are steadily moving towards the"More Electric Aircraft (MEA)"concept where large flight loads like hydraulic actuators are replaced with electrical analogs powered by high voltage (270) direct current (DC) systems. The initial instantiation of these… more
Abstract:Infrared search and track (IRST) single crystal Ge domes develop surface defects after extensive use in adverse environments such as sandstorms, rain and fog. Surface defects on Ge domes lead to a reduction in the average transmission to below acceptable limit. Replacement of the damaged dome with a… more
Abstract:Aluminum nanopowders (nano-Al) possess surface areas on the order of 20-40 m2/g and have attracted interest throughout the energetics community for propellant and metallization applications. Aluminum has an energy density (-31.05 kJ/g) nearly three times higher than most molecular high explosives… more
Abstract:DESCRIPTION (provided by applicant): Measurements of cell viability (percentage live versus dead cells) may be used to evaluate: cellular damage due to toxins, the effect of infection, response to drugs, toxicity during early stages of drug development, the life of cancerous cells, the rejection of… more
Abstract:The goal of this program is to develop and fabricate an ultra-low Size, Weight, and Power (SWAP) integrated electro-optic beam-steering technology that utilizes ultra-fast electro-optic active plasmonic waveguide arrays to achieve very wide scanning angle with diffraction limited beam quality. We… more
Abstract:Designs for the International Thermonuclear Experimental Reactor (ITER) employ several plasma-facing materials selected for their suitability to regions of the vessel with different power and flux characteristics. Tungsten is one of the most important candidates for diverter component… more
Abstract:In previous work for DOE, Ultramet has developed an advanced chemical vapor deposition (CVD) process for the consistent production of cavity-grade superconducting niobium, which has application in the manufacture of seamless bulk niobium cavities and ancillary components for use in the majority of… more
Abstract:Cryogenic heat exchangers for cooling gaseous helium are hampered by the fact that helium is a low-density gas. As a result, heat transfer coefficients tend to be low. To compensate for this, Ultramet will design and fabricate an open-cell foam-based heat exchanger using technology that was… more
Abstract:In current fusion reactor solid breeder blanket designs, small pebbles of ceramic breeder are packed into a blanket container in order to breed and release tritium. The current sphere-packed technology imposes severe design and operational limitations as a result of poor thermal conductivity… more
Abstract:In previous work for NASA, Ultramet and ARA Ablatives Laboratory developed and demonstrated advanced foam-reinforced carbon/phenolic ablators that offer substantially increased performance under high heat flux conditions and reduced weight relative to conventional ablators. The two-piece structure… more
Abstract:Raytheon Missile Systems"Gen 4B W-band submodule for its Solid State Active Denial Technology system currently uses liquid coolant, specifically a water-ethylene glycol mixture, for thermal management. Future active denial systems are expected to use up to 1024 of these submodules. Because each… more
Abstract:For a selected vehicle and jet engine configuration, fuel consumption is to a significant degree dictated by the thermal efficiency of the engine. Achieving optimal thermal efficiency and minimizing fuel consumption require high temperature operation with minimum cooling of hot gas path components,… more
Abstract:The proposed SBIR Phase I program addresses a critical need in solar cell and fuel cell module manufacturing: to inspect in real time the mechanical quality of incoming wafers and finished cells. The objective of the program is to develop a new flaw inspection technology and design a laboratory… more
Abstract:An Advanced Microgravity Compatible, Integrated laundry System (AMCILS) is proposed that uses a two phase water / water vapor system to allow good agitation of clothing during the wash & rinse cycle. Drying will be accomplished utilizing microwave energy addition and "jet" air flow to… more
Abstract:A compact microgravity and hypogravity compatible vacuum device is proposed to provide medical suction and containment of extracted fluids. The proposed aspirator will draw up to 40 L/min of air and produce a nominal vacuum of 500-mm Hg, which is comparable to commercially available medical… more
Abstract:About 1,700 million tons of carbon dioxide (CO2) were emitted from 572 coal-fired power plants in 2012 in the U.S. To reduce the CO2 emissions, CO2 capture and sequestration processes need to be implemented. In addition to CO2, these plants produce more than 72 million tons of fly ash per year,… more
Abstract:This Phase I project aims at converting the biodiesel plant waste crude glycerol to a low cost and high value biobased green gasoline using a novel technology. In biodiesel production, crude glycerol comprises around 10 weight % of the products. Crude glycerolisa waste stream and afinancial and… more
Abstract:Renewable energy resources are being adopted by government entities, utility power providers and more recently by industrial behind-the-meter end-users as well. Solar power is attractive especially in areas where electricity costs are high, such as California and New Jersey. New Jersey is… more
Abstract:ABSTRACT: During this program, United Silicon Carbide, Inc. (USCi) will develop basic analog and digital circuit blocks capable of operation up to 500oC, based on 4H-SiC complementary lateral JFET technology. The following integrated circuits will be designed (i) operational amplifier; (ii) voltage… more
Abstract:Current lighting technologies are relatively energy inefficient and heavy resulting in considerable energy consumption, particularly in aircraft interiors. Organic light-emitting diode (OLED), potentially an inexpensive diffuse source, may compete directly with conventional lights, and also with… more
Abstract:Organic light-emitting diode (OLED), potentially an inexpensive diffuse source, may compete directly with conventional lights, and also with inorganic electroluminescent lamps in energy efficient diffuse lighting applications. A key challenge for improving device efficiency is to extract more of the… more
Abstract:Each day, 380 children die from measles virus mostly in developing countries because of the high cost and limited access to vaccines. To address this challenge, a vaccine for measles that is inexpensive, easy to administer, and can be maintained without refrigeration should be developed. Our… more
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