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Briefs Materials
Evaluation of Additively Manufactured Ultrahard Steels
Recent advances in both alloy development and additive manufacturing have enabled the production of ultrahigh-strength steels in near net shape parts.
Articles Mechanical & Fluid Systems
Pulse Plasma Nitriding for Aerospace Applications
Aerospace manufacturers who depend on nitriding components can benefit from greater uniformity of results, better-protected materials, and increased throughput.
Articles Materials
Lightweight Steel on a (Cold) Roll
Automotive OEMs are faced with the difficult task of significantly improving fuel economy and safety, while maintaining a competitive position in the market – as well as investing in the electrified...
News Manufacturing & Prototyping
ALLEGRO Project Seeks to Boost Lightweight-Materials Durability
First define the lightweight material that best complements electric vehicle (EV) and automated-vehicle (AV) range efficiency – then optimize it for increased durability via...
Briefs Electronics & Computers
Integrated Magneto-Optical Devices for On-Chip Photonic Systems
The magneto-optical (MO) oxide layer consists of (Bi,Y)3Fe5O12 or BiYIG, bismuth garnet. This material was selected because it has a better figure of merit than the CeYIG...
Application Briefs Defense
Industrial-Scale Metal 3D Printer
Sciaky, Inc. Chicago, IL 877-450-2518 Sciaky, Inc., a subsidiary of Phillips Service Industries, Inc. (PSI), announced recently that Airbus was scheduled to take delivery of a state-of-the-art Electron Beam...
Briefs Materials
Epitaxial Growth of Rhenium with Sputtering
Epitaxial superconducting films of refractory metals are a promising new template for single crystal tunnel barriers in Josephson junction quantum bit (qubit) devices. In existing Josephson junction...
Technical Innovation Materials
High-Strength Aluminum Powder Developed for Additive Manufacturing in Aerospace, Automotive
Metal laser melting has made a successful leap from rapid prototyping to an approved manufacturing technology, and the method is increasingly becoming...
Technology Update Defense
MTU Develops New Turbine Blade Material in Record Time
MTU Aero Engines announced in March that its internal experts and industry partners have jointly developed a new class of intermetallic, high-temperature materials for highly stressed...
Q&A Test & Measurement
Accelerating Racecar Innovation
Prior to this year’s Indianapolis 500, the 48th annual BorgWarner Louis Schwitzer Award was awarded for innovation and engineering excellence in race car design. Claiming the award, for the second time, was...
Briefs Materials
Formation and Characterization of Gold Nanoparticles
One-dimensional nanowires are of increasing interest due to their size, physical properties, and other applications in opto-electronics. For example, nanowires have already been used in...
Briefs Materials
Characterization of Ceramic Composite Materials Using Terahertz Nondestructive Evaluation Techniques
This work describes the use of nondestructive evaluation (NDE) techniques to characterize defects such as rust, voids, etc. in materials, and...
Articles Aerospace
New Honing Technology Improves Aerospace Accuracy
Invented more than 70 years ago to de-glaze cylinder bores in early automobile engines, conventional honing today is meeting the most advanced aerospace requirements for ultra-precise machined...
Briefs Physical Sciences
Wheel Force Transducer for Field Testing
This project endeavors to develop, validate, and calibrate cost-effective field test equipment for measuring tire characteristics on vehicles while driving off-road. The four wheel force transducers are...
Briefs Materials
Size Scale and Defect Engineered Nanostructures for Optimal Strength and Toughness
Realistic combinations of ceramics and/or semiconductors have been developed that simultaneously achieve high hardness (>40 GPa) and toughness (>400 MPa*m1/2). To achieve this goal, there were three primary objectives: (1) the development of physically base...
Briefs Manufacturing & Prototyping
Surface-Plasmon-Enhanced Organic Thin-Film Solar Cells
Fabrication of two-dimensional metal nanoparticle arrays was achieved both by thermal annealing and nanosphere lithography techniques, which are both very fast and economic. The surface plasmon resonance of the fabricated nanostructure was analyzed experimentally by optical absorption...
Briefs Photonics/Optics
Threshold Voltage Tuning of Metal-Gate MOSFETs Using an Excimer Laser
This work presents a localized method for tuning the threshold voltages (Vt) of multilayer metal-gate metal-oxide-semiconductor field-effect transistor (MOSFET) devices with a spatial area theoretically limited by the wavelength of the laser beam. This technique allows an...
Briefs Electronics & Computers
Effects of Differing Carbon Nanotube Field-Effect Transistor Architectures
Understanding the differing methods and materials that can be used for producing carbon nanotube (CNT)- based electronic components means an informed use of materials...
Briefs Physical Sciences
Reducing Thicknesses of PbZrₓTi₁₋ₓO₃ Films in Capacitors
A document describes experiments performed to determine effects of reducing the thicknesses of films of lead zirconate titanate (PbZrxTi1-xO3, wherein 0<x<1) used as ferroelectric dielectric layers in some capacitors. The fabrication of specimen capacitors for the experiments...
Briefs Materials
Some Advances in High-Temperature Superconductor Coatings
Several advances were made in a program focused on the science and technology of high-temperature superconductors [especially yttrium barium copper oxide ("YBCO")] deposited on normal electrical conductors. This program was part of a continuing effort to develop superconductor-coated normal...
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
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
Ceramic Matrix Composites Research
AFRL scientists characterized and evaluated the high-temperature mechanical behavior of fiber-reinforced ceramic matrix composite (CMC) materials used in aerospace structural applications. Researchers examined...
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Best Practices for Developing Safe and Secure Modular Software
Power
Designing an HVAC Modeling Workflow for Cabin Energy Management...
Aerospace
Countering the Evolving Challenge of Integrating UAS Into...
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Scaling Manufacturing and Production for 'Data as a Service' Electric Drone
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