Abstract:During this program, United Silicon Carbide, Inc. (USCi) will develop compact SiC power device models, prepare them for industry acceptance, and gain support of the models from commercial simulator suppliers. In Phase I, we propose to develop an initial… more
Abstract:During Phase I, USCI developed a compact, high frequency, high temperature, silicon carbide (SiC) gate driver module to control SiC transistor power modules, capable of operation in the temperature range from -40 degrees C to 300 degrees C, based on our… more
Abstract:… explorations and in other performance-driven process control systems involving harsh operating conditions. Availability of reliable and inexpensive microsensors for such environments is hindered by the challenge of micromachining refractory materials, such as silicon … more
Abstract:This Small Business Innovation Research Phase I project addresses the need for lower cost ceramic materials, specifically for reaction-bonded silicon carbide (RBSC) products. RBSC is used in a multitude of applications ranging from kiln furniture to body… more
Abstract:This Small Business Innovation Research Phase I project will determine optimal process parameters for massively parallel Laser Chemical Vapor Deposition (LCVD) of silicon carbide fibers by building on work already performed at the proposing company,… more
Abstract:This SBIR Phase I project will demonstrate monolayer and dual layer coating of SiC fiber by leveraging Laser Chemical Vapor Deposition techniques developed by Free Form Fibers for direct fiber production. Ceramic fibers, particularly SiC, must be coated in order to protect the fibers from oxidizing… more
Abstract:… existing metal tubes with an advanced ceramic material, which does not creep under load, and is stronger than the zirconium alloys, can mitigate or eliminate the distortion problem. Specifically, we will measure the key mechanical properties of our new silicon … more
Abstract:…, it reacts exothermically when exposed to emergency coolant after an accident. This behavior was a principal cause of the severe fuel damage during the TMI reactor accident and was the most likely cause of fuel damage and radioactivity release at Fukushima, Japan. Silicon … more
Abstract:Accurate Automation Corporation proposes to develop a system design for a self-contained missile launchable RF Generator based on a frozen wave transmission line technique. The RF transmission line will be charged through an optically activated switch fabricate from silicon … more
Abstract:…of high strength boron carbide fiber and to produce a large volume boron carbide fiber using ACI"s patented viscose suspension spinning process (VSSP) at reasonable cost. VSSP has been used to manufacture numerous ceramic fiber chemistries including alumina and silicon … more
Abstract:… diamond (UNCD), an extremely smooth, low cost diamond coating was successfully developed by the applicant for many diverse applications requiring low wear, low friction and chemical inertness. The substrate materials utilized in the Jarvik 2000 VAD, silicon… more
Abstract:Silicon carbide (SiC) and other wide band-gap semiconductors offer great promise of high power rating, high operating temperature, simple thermal management, and ultra-high power density for both space and commercial power electronic systems. However, this… more
Abstract:Applied Physical Electronics, LC (APELC) proposes to develop an innovative Silicon Carbide (SiC) Planar Avalanche Switch (PAS) in which a small optical pulse is used to initiate a planar avalanche over a large cross section instead of the filamentary… more
Abstract:In this SBIR project, APEI, Inc. is proposing to develop a high efficiency, rad-hard 3.8 kW silicon carbide (SiC) power supply for the Power Processing Unit (PPU) of Hall Effect thrusters. This program specifically targets the design of a PPU for the HiVHAC (High Voltage Hall… more
Abstract:In this SBIR project, APEI, Inc. is proposing to develop a high efficiency, rad-hard, 100's kWe power management and distribution (PMAD) system for space nuclear power systems. The PMAD will utilize SiC JFET power switches; components which APEI, Inc. has irradiated under TID conditions to… more
Abstract:In this program, APEI, Inc. will build on successful demonstrations of SiC-based wireless transmitter designs in high temperature and high mechanical load environments to develop silicon carbide (SiC) based integrated wireless sensor-transmitter suites for… more
Abstract:In this proposed program, the APEI team will design, build, and test a multi-channel fully-integrated, high-temperature (250 degrees C), high speed (<100 s), SiC-based SSPD demonstrator by the end of the program. The proposed SiC-based SSPD will combine APEI, Inc."s advanced high… more
Abstract:… system, Arkansas Power Electronics International, Inc. (APEI, Inc.) is proposing to develop the next generation of rad-hard battery management power converters. This new generation of battery management converters will harness the extreme radiation-hardness of silicon… more
Abstract:Silicon Carbide deep UV detectors can achieve large gains, high signal-to-noise ratios and solar-blind operation, with added benefits of smaller sizes, lower operating voltages, radiation hardness, ruggedness and scalability. The design, fabrication and… more
Abstract:DWA Aluminum Composites proposes the use of powder-metallurgy based, silicon carbide particulate (SiCp) reinforced aluminum Metal-Matrix-Composites (MMCs) for the replacement of 4320 steel alloy bearing liners to achieve weight reduction in the gearboxes of… more
Abstract:Fiber Materials Inc. (FMI) has developed and delivered carbon fiber reinforced silicon carbide (C-SiC) composite nozzles and thrust chambers for solid and liquid/gel fueled divert and attitude control systems (DACS) to Aerojet. The C-SiC material system has… more
Abstract:… for future hypersonic vehicles As this application is structural, a strong degree of damage tolerance is desired, and thus ceramic matrix composites
are the primary choice due to the desire for reduced weight, high temperature strength and oxidation resistance. Silicon … more
Abstract:ABSTRACT: The current designs of telescopes for space borne applications use monolithic glass, beryllium, or silicon-carbide optics. With that existing optical technology, it is increasingly difficult or impossible to meet the new goals and requirements of AF, ORS, and other… more
Abstract:… sensing mechanism. Currently, platinum or platinum alloys are used as electrode materials. However, the high cost of platinum is a major cost driver for MET sensors. The new electrode assemblies will comprise a composite structure of glassy carbon electrodes and silicon … more
Abstract:Optical Physics Company (OPC) has developed new silicon carbide (SiC) foam-based optics with hybrid skins that are composite, athermal and lightweight (FOCAL) that provide an enabling capability for performing NASA space missions that will require 2 to 3… more
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