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Abrasion Testing of Products Containing Nanomaterials

This SOP describes how to detect and quantify the release of nanoparticles from surface coatings into the air using a mechanical process that employs abrasion to simulate sanding. A material containing nanoparticles will be physically abraded and the materials released will be collected in a custom abrasion testing system. They will then be characterized by different methods such as Scanning Electron Microscopy (SEM) or Transmission Electron Microscopy (TEM) and other methods.

Posted in: Briefs, Aerospace, Defense, Materials, Microscopy, Nanomaterials, Wear, Test procedures
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Spectrum Fatigue of 7075-T651 Aluminum Alloy Under Overloading and Underloading

Most structural members and machine components are subjected in service to cyclic loadings of varying amplitude. The variation in stress level follows either a regular or random pattern. The resulting crack growth is affected by the applied load sequence in the early stage (crack initiation) and in the later stage (crack propagation) of fatigue. The fatigue crack growth is known to be retarded by tensile overloads and accelerated by compressive overloads (underloads). However, the phenomenon and mechanism of the load sequence effects, especially those of overloading and underloading, on fatigue crack growth in different environments remain to be clarified.

Posted in: Briefs, Aerospace, Defense, Materials, Failure modes and effects analysis, Aluminum alloys, Fatigue
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Communications Electronics Cooling Systems

Aspen Systems
Marlborough, MA
508-281-5322
www.apspensystems.com

Aspen Systems are supplying Environmental Control Units (ECU’s) for critical communications electronics cooling for the Joint Light Tactical Vehicles (JLTV) being produced by Oshkosh Corporation. The first vehicle order under this contract was released by the Army on March 23, 2016 for 657 vehicles. The initial JLTV production contract calls for a delivery total of nearly 17,000 vehicles, while the total program is expected to result in over 50,000 JLTVs delivered to the US Military.

Posted in: Application Briefs, Communications, Defense, Electronics, Thermal Management, Electronic equipment, Telecommunications, Cooling
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Advanced Simulation Technology

RGB Spectrum
Alameda, CA
510-814-7000
www.rgb.com

The F-35 Joint Strike Fighter is the Department of Defense's next generation strike aircraft weapon system for the Navy, Air Force, Marines, and US allies. The fifth-generation fighter brings cutting-edge technologies to the battlespace of the future. On July 31, 2015, the first squadron was declared ready for deployment after training, an important part of which was accomplished with Lockheed Martin’s high-fidelity Full Mission Simulator (FMS). RGB Spectrum’s DGy™ recording and streaming codecs and multi-channel video servers are core components in the FMS.

Posted in: Application Briefs, Defense, Computer simulation, Aircraft
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Airframe/Engine Seal Fire Test Facility

Trelleborg Sealing Solutions
Trelleborg Sweden
+46 410 670 00
www.trelleborg.com

Trelleborg Sealing Solutions has designed and built a new airframe/engine seal fire test facility located at its manufacturing facility in Northborough, Massachusetts in the U.S. This state-of-the-art fire test facility addresses aerospace manufacturers’ growing need to meet varyious fire test requirements in order to comply with industry and customer standards for vibration and air flow. Trelleborg is one of only a few seal manufacturers that deliver comprehensive in-house qualification testing, now including fireproof and fire resistance testing.

Posted in: Application Briefs, Defense, Airframes, Jet engines, Fire, Test facilities
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New Web-Based Software Enables Quick Drone Design

A Utah State University aerospace engineer is offering the public a free software tool that could revolutionize the drone industry. Doug Hunsaker, an assistant professor of mechanical and aerospace engineering at USU, is offering a 3D online software program that generates aerodynamic information about a user’s aircraft design.

Posted in: News, Aerospace, Defense, Computer-Aided Design (CAD)
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New Ice-Repellant Material Could Improve Aviation Safety

Icy conditions can be deadly when flying into bad weather. Researchers at the University of Houston have discovered a material that can be applied to any surface to repel ice. The material, known as a magnetic slippery surface (MAGSS), could be applied to aircraft wings.

Posted in: News, Aerospace, Defense, Coatings & Adhesives, Materials
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Aircraft Arrival Technology Will Reduce Flight Delays

Flight Deck Interval Management (FIM) promises to safely increase the number of airplanes that can land on the same runway at busy airports by more precisely managing the time, or interval, between each aircraft arrival.

Posted in: News, Aerospace, Defense, Simulation Software, Software
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T-rays Will “Speed Up” Computer Memory By a Factor of 1,000

Together with their colleagues from Germany and the Netherlands, scientists at the Moscow Institute of Physics and Technology (MIPT) have found a way to significantly improve computer performance. They propose the use of so-called T-waves – or terahertz radiation – as a means of resetting computer memory cells. This process is several thousand times faster than magnetic-field-induced switching.

Posted in: News, News, Board-Level Electronics, Computers, Electronic Components, Electronics, Electronics & Computers
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First Stryker Vehicle Prototype With 30mm Cannon Delivered to Army

The first prototype Stryker Infantry Carrier Vehicle, outfitted with a 30mm cannon, has been delivered to the U.S. Army. The upgraded Stryker vehicle will be known as the Dragoon, the name of the 2nd Cavalry Regiment. The prototype also features a new fully-integrated commander's station, upgraded driveline componentry and hull modifications, according to a press release from Program Executive Office Ground Combat Systems.

Posted in: News, Defense, Automotive, Transportation
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