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Briefs Materials
Polymeric “Smart” Skin Materials
"Smart” skin materials based, variously, on polymers, dendrimers, carbon nanotubes, and/or other tailored molecular components are being developed for use as conformal coating surfaces of mechanical structures, including those of aircraft, to impart enhanced functionality to the coated surfaces. As used here,...
Briefs Materials
Innovations Pertaining to Carbon-Based Materials
Some notable innovations in the design and manufacture of carbonbased materials have been made in a continuing program of basic research on carbon- based materials for use in propulsion systems of aircraft and spacecraft. The research has ranged over diverse topics that have included fabrication of...
Briefs Materials
Measuring Glucose Using pH-Sensitive Hydrogels
Sensors that exploit pH-sensitive hydrogels for measuring concentrations of glucose in aqueous solutions are undergoing development. Because the underlying chemical and physical principles are also...
Briefs Materials
Plasma-Spray Coating as an Alternative to Chromium Plating
Plasma-spray application of coating materials that include tungsten carbide has been investigated as an alternative to electroplating of hard chromium onto internal metal surfaces that...
Briefs Materials
Accelerated Evaluation of Properties of Polyphase Alloys
A methodology for accelerated evaluation of mechanical properties of polyphase alloys is based on digital representations of the alloys. For a given alloy material system, this...
Briefs Materials
Metamaterials for Advanced Microwave Antennas
A report discusses a research and development project that has made contributions to the art of metamaterials for directing electromagnetic radiation at frequencies of the order of several gigahertz. The next-generation metamaterials expected to emerge from this and related projects could enormously...
Briefs Materials
Integrated Aircraft Oxygen Sensor
Shortly after its takeoff from New York City on July 17, 1996, Trans World Airlines (TWA) Flight 800 exploded over the Atlantic Ocean and crashed. The accident investigation board determined that the center wing fuel tank caught fire and exploded. Although the ignition source remains unknown, it was unquestionably...
Briefs Materials
Friction Stir Welding of Aerospace Materials
AFRL scientists are studying a unique metal joining process— friction stir welding (FSW)—for building major structural assemblies. FSW is a solid-state welding process that forces a spinning tool...
Briefs Materials
Enhanced Blast-Resistant Windows
AFRL entered into a Cooperative Research and Development Agreement (CRADA) with Dlubak Technologies, Inc., of Freeport, Pennsylvania, to pursue ongoing research in blast-resistant window and glazing...
Briefs Materials
Corrosion Suppression Technologies and Techniques
Members of AFRL's Air Force Corrosion Prevention and Control Office (AFCPCO) teamed with corrosion experts from Warner Robins Air Logistics Center to assess environmentally induced damage to...
Briefs Test & Measurement
Composites Design and Structural Analysis Tool
AFRL researchers developed a unique design and structural analysis tool for composite materials, and they subsequently transitioned their product to manufacturers of helicopters and other...
Briefs Materials
Materials Knowledge Base
A team of scientists, engineers, and developers from AFRL and RJ Lee Group, Inc., recently completed functional prototype development of the Materials Knowledge Base (MKB), an object-based data repository for laboratory...
Briefs Materials
Ground-Penetrating Radar
AFRL engineers used prototypes of recently developed ground-penetrating radar (GPR) and electronic cone penetrometer (ECP) devices to determine whether voids and anomalies in a particular airfield's subsoil were...
Briefs Materials
Nonchromated Treatment for Aluminum Surfaces
AFRL scientists and engineers recently completed development of a nonchromated treatment for aluminum aircraft surfaces and structures. The new treatment method is the result of a collaborative...
Briefs Materials
Textile Capacitor
The Air Force (AF) is evolving from a Cold War-era force with a large, containment- focused infrastructure to a smaller, more responsive and affordable Air and Space Expeditionary Force. In support of this transformation, AFRL...
Briefs Materials
Automated Material Deposition Chamber
AFRL materials scientists have acquired an automated deposition chamber (see figure on next page) that enables them to simultaneously or sequentially deposit solid-lubricant coatings onto target objectives...
Briefs Materials
Composite Material Fire Safety Training Course
AFRL scientists and engineers, working cooperatively with experts from academia and the firefighting community, have developed a Composite Material Fire Safety training program designed to improve...
Briefs Materials
Conductive Polymeric Nanocomposite Materials
AFRL scientists have developed a method for uniformly dispersing carbon nanofibers throughout polymeric materials to increase their conductivity. Engineers will be able to employ the resulting...
Briefs Manufacturing & Prototyping
Strain-Induced Porosity Model
AFRL scientists developed advanced computer models to improve the processing and quality of titanium alloys used in manufacturing gas turbine engine parts and critical structural components for military aircraft....
Briefs Materials
Microelectromechanical Systems Switch Simulator
AFRL materials scientists developed a highly sophisticated laboratory instrument that simulates the effects of physical forces and electrical current on microelectromechanical systems (MEMS)...
Briefs Materials
AFRL Supports C-5A Evaluation Program
AFRL materials integrity experts are collaborating with the Aeronautical Systems Center's C-5 Systems Group, Warner Robins Air Logistics Center (WR-ALC), and Air Mobility Command (AMC) in an effort to...
Briefs Materials
Composites Affordability Initiative
AFRL and Boeing have developed an innovative structural inspection technique for testing bonded structures. This technique provides materials engineers a first-time, validated, nondestructive capability to...
Briefs Materials
Geopolymers
The use of ceramics in an ancient culture is one measure of that society's overall technical sophistication. Combining the study of ancient ceramics with modern science and technology has led to the creation of new ceramics with...
Briefs Weapons Systems
Recent Advances in Insensitive Munitions
AFRL scientists from the High Explosives Research and Development facility successfully developed, demonstrated, and transitioned a next-generation melt-castable explosive formulation. The new...
Briefs Materials
Super-High-Strength Aluminum Alloy
AFRL researchers developed a super-high-strength aluminum alloy that engineers can use to improve the capability and performance of aerospace components—cryogenic rocket engine components, in particular....
Briefs Materials
Dielectric Coolants
The Joint Strike Fighter (JSF) is the Department of Defense's affordable next-generation strike aircraft designed to meet the needs of the Air Force (AF), Navy, Marines, and US allies. Currently in development by Lockheed...
Briefs Materials
Monazite Deformation Twinning Research
AFRL scientists have significantly advanced the understanding of a phenomenon called deformation twinning, a major materials deformation mechanism that is particularly important at low temperatures and...
Briefs Materials
Design of Lightweight and Durable Composite Structures
In the field of engineering design, "factors of safety" are derivatives of inadequate knowledge and therefore are a necessary, but costly, element of engineering design. Designing...
Briefs Aerospace
Characterizing Mechanical Properties at the Microscale
Scientists from AFRL, Pratt & Whitney Aircraft, and General Electric Aircraft Engines, working under the Defense Advanced Research Projects Agency's Accelerated Insertion of Materials...
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