Special Coverage

Distributed Propulsion Concepts and Superparamagnetic Energy Harvesting Hummingbird Engine
Aerofoam
Wet Active Chevron Nozzle for Controllable Jet Noise Reduction
Magnetic Relief Valve
Locking Mechanism for a Flexible Composite Hinge
Active Aircraft Pylon Noise Control System
Unmanned Aerial Systems Traffic Management
Method of Bonding Dissimilar Materials
Sonar Inspection Robot System
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Assessing the Potential of Additive Manufacturing for Lower-Cost Tools in the Automotive Industry

As additive manufacturing (3D printing) capabilities evolve, so will its adoption within the automotive industry. This white paper explores the possibilities and offers evidence of notable opportunity in 3D printed tooling. Read the white paper to learn:

Posted in: White Papers, Aeronautics, Manufacturing & Prototyping, Coatings & Adhesives, Materials

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Why Plastic Bearings are Actually Superior to Metal

Over the past several decades, there has been an evolution in the development and use of highly engineered plastic bearings. They can be used in a wide range of applications, including those with specialized requirements.

Posted in: Webinars, On-Demand Webinars, Materials, Plastics

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Metal Stamping Design Guidelines

Metal Stamping provides an economical way to produce quantities of parts that can possess many qualities, including strength, durability, wear resistance, good conductive properties, and stability. In this paper, we are sharing some ideas that can help you design a part that optimizes all the features that the metal stamping process offers.

Posted in: Briefs, TSP, Aeronautics, Materials

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High-Temperature, Hydrophobic, Flexible Aerogel Composite and Method of Making Same

This technology is well suited for environments requiring insulation materials that can withstand temperatures of up to 1200 °C.NASA’s Glenn Research Center (GRC) has developed a method for fabricating low-density, flexible aerogel composites for use as thermal insulation for myriad applications. It is ideal for a variety of environments that require insulation materials that can withstand temperatures of up to 1200 °C. This innovation significantly advances the state of the art for composite insulation systems, reducing adherence problems and thermal conductivity limitations of conventional aerogel insulations while improving performance with lower weight, lower density, and higher efficiency, all factors contributing to greater applicability of aerogel insulation.

Posted in: Briefs, Materials

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Mechanical Components from Highly Recoverable, Low Apparent Modulus Materials

Shock-resistant material eliminates corrosion and polishes to a smooth surface finish.NASA’s Glenn Research Center has developed a new method for producing a shock- and corrosion-proof, superelastic, intermetallic material, NiTiNOL 60 (60NiTi), for use in ball bearings and other mechanical components. These superelastic materials can withstand tremendous loads and stresses without permanent deformation or denting. At the same time, the nickel-titanium alloy is immune to corrosion and rust, unlike mechanical components made from iron or steel. In addition, the material does not chemically degrade or break down lubricants, a common problem with existing bearing materials. This material is best suited for oil-lubricated rolling and sliding contact applications requiring superior and intrinsic corrosion resistance, electrical conductivity, and non-magnetic properties.

Posted in: Briefs, Materials

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Polyimide Wire Insulation Repair System

This technology provides permanent, flexible, and less intrusive wire repairs.NASA’s Kennedy Space Center (KSC) seeks to license its Polyimide Wire Insulation Repair System technology to industry. The Polyimide Wire Insulation Repair System is a kit consisting of thin film polyimide patches that are applied to damaged areas of wire insulation with a heating device that adheres the polyimide repair film into place. The technology has been prototyped and successfully tested by NASA and the Naval Air Systems Command (NAVAIR). Wire repairs made with this system are permanent, flexible, and much less intrusive than repairs made using current techniques and materials. The technology is well suited for all applications of polyimide and other high-performance polymer- jacketed wire constructions.

Posted in: Briefs, Materials

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Lightweight, Flexible Thermal Protection System for Fire Protection

This technology can be used by wildland firefighters and first responders.CHIEFS (Convective Heating Im provement for Emergency Fire Shelters) is being developed by NASA’s Langley Research Center to potentially improve the performance of emergency fire shelters for wildland firefighters. A fire shelter is a last-resort safety measure that may protect firefighters entrapped by wildfire that has compromised their escape route. The current shelter design, resembling a small foldable tent, is primarily designed to protect the user from exposure from radiant heat. It provides limited protection when exposed to direct flame contact and convective heat. The Washington Office Fire and Aviation Management (WO-FAM) initiated a product review for the fire shelters to be completed by 2018. NASA is working closely with the USDA Forest Service to understand the emergency fire shelter requirements and testing procedures.

Posted in: Briefs, Materials

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