Materials & Manufacturing

Materials & Coatings

Briefs : Energy
Advanced Carbon Aerogels for Energy Applications

Carbon aerogels (CAs) are nano-porous carbons comprising a particularly significant class of carbon nano-materials for a variety of sustainable energy applications. Carbon aerogels are...

Briefs : Test & Measurement
Composite Materials Could Improve Respirator Filters

Current gas mask filters counter current threats, but there are large gaps in knowledge about how they do so at the molecular level. Many of the filters were developed to handle a wide...

Briefs : Materials
Interlaminar Strengthening Concepts for Polymer Matrix Composites

During the last few decades, one of the most prevalent issues associated with the performance of aerospace composite materials has revolved around low interlaminar mechanical properties. The innovations described in this work outline a number of new and improved techniques for...

Briefs : Electronics & Computers
Method of Fabricating Ultra-Short-Gate-Length Thin-Film Transistors Using Optical Lithography

The speed of thin-film transistors (TFTs) relates directly to their gate length, which must be kept as short as possible to lower electron transport time between electrodes, and improve its high-frequency response characteristics. Since current density...

Briefs : Manufacturing & Prototyping
Aluminum Electroplating Using Bromide Salts

Corrosion of structural materials is a serious problem for industrial and civil infrastructure worldwide, costing billions of dollars, and hampering gross domestic product. Corrosion also presents...

Articles : Aerospace
Products of Tomorrow: February 2018

This column presents technologies that have applications in commercial areas, possibly creating the products of tomorrow. To learn more about each technology, see the contact information provided for that...

Briefs : Mechanical & Fluid Systems
Conductive, High-Toughness Oxides Deposited by Plasma Spray-Physical Vapor Deposition (PS-PVD)

Oxide coatings deposited in Glenn Research Center's Plasma Spray-Physical Vapor Deposition (PS-PVD) facility can be processed to be mechanically tough (erosion-resistant) and electrically conductive at room temperature. The electrically conductive...

Briefs : Materials
Optical Method for Detecting Displacements and Strains at Ultra-High Temperatures During Thermo-Mechanical Testing

NASA's Langley Research Center has developed an optical method for detecting displacements and strains at ultra-high temperatures during thermo-mechanical testing. This innovation will provide displacement and strain measurements in...

Briefs : Energy
Superalloy Surface Treatment for Improved Performance of Power Turbines

To produce power more efficiently and cleanly, the next generation of power turbines will have to operate at extreme temperatures and pressures. Currently, single-crystal, nickel-based superalloys are used in such extreme environments. MCrAlY coatings (where M = Co, Ni, or...

Who's Who : Medical
Q&A: Dr. Shannon Yee, Assistant Professor of Heat Transfer, Combustion, and Energy Systems at Georgia Institute of Technology, Atlanta, GA

Using flexible conducting polymers and novel circuitry patterns printed on paper, researchers in Dr. Lee’s laboratory have demonstrated proof-of-concept wearable thermoelectric generators that can harvest...

Briefs : Materials
Solid-State Humidity Sensing Element

Researchers at NASA's Marshall Space Flight Center have developed a solid-state humidity sensing element that offers ultra-high sensitivity across a wide range of humidity levels. The sensing element is based on a novel ceramic dielectric material that exhibits large changes in capacitance as a function of...

Briefs : Sensors/Data Acquisition
Smart Fabric Stores Information Without Electronics

Conductive thread — embroidery thread that can carry an electrical current — often is combined with other types of electronics to create fabric that lights up or communicates. This...

Briefs : Software
Metamaterial Converts Linear Compression Forces into a Rotational Movement

Using 3D printers, researchers have created a metamaterial from cubic building blocks that responds to compression forces by a rotation. Usually, this can only be...

INSIDER : Materials
Nanotube Fibers Made by Hand to Cut Production Time

A method developed at Rice University allows researchers to make short lengths of strong, conductive fibers from small samples of bulk nanotubes in about an hour. It can take grams of material and weeks of effort to optimize the process of spinning continuous fibers, but the new method cuts...

News : Mechanical & Fluid Systems
Initially Moon-Bound, A New Demolition Probe Breaks Ground on Earth

An electrically-driven demolition probe originally funded by NASA enables a more precise, quieter fracturing method that its creators hope will give construction workers on...

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