NASA Tech Briefs’ Materials Web page spotlights new engineering materials, coatings, and materials processing techniques, related primarily to ceramics, composites, plastics, and ferrous and non-ferrous metals, as published in NASA Tech Briefs magazine. The Tech Briefs describe applications of these materials in aerospace, defense, electronics, automotive, consumer products, and other major industries. Many of the Tech Briefs below are correlated to a Technical Support Package (TSP) or White Paper that can be downloaded free of charge.
May 2013
Manufacturing of Nanocomposite Carbon Fibers and Composite Cylinders
Pitch-based nanocomposite carbon fibers were prepared
with various percentages of carbon nanofibers (CNFs), and the
fibers were used for manufacturing composite structures.
Experimental results show that these nanocomposite carbon
fibers exhibit improved structural and electrical conductivity
properties as compared to unreinforced carbon fibers.
Composite panels fabricated from these nanocomposite carbon
...
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Multi-scale CNT-Based Reinforcing Polymer Matrix Composites for Lightweight Structures
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Applications include commercial aircraft, sports equipment, and automobiles.
Reinforcing critical areas in carbon polymer matrix composites (PMCs), also known as fiber reinforced composites (FRCs), is advantageous for structural durability. Since carbon nanotubes (CNTs) have extremely high tensile strength, they can be used as a functional additive to enhance ...Read More >>
Pt-Ni and Pt-Co Catalyst Synthesis Route for Fuel Cell Applications
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The main objective is to increase the overall efficiencies of fuel cell systems to support power for manned lunar bases.
Oxygen reduction reactions (ORRs) at the cathode are the rate-limiting step in fuel cell performance. The ORR is 100 times slower than the corresponding hydrogen oxidation at the anode. ...Read More >>
Aerogel-Based Multilayer Insulation With Micrometeoroid Protection
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The aerogel’s hydrophobic nature ensures thermal performance when exposed to the environment.
Ultra-low-density, highly hydrophobic, fiber-reinforced aerogel material integrated with MLI (aluminized Mylar reflectors and B4A Dacron separators) offers a highly effective insulation package by providing unsurpassed thermal performance and significant robustness, delivering substantial MMOD protection ...Read More >>
Self-Healing Nanocomposites for Reusable Composite Cryotanks
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Applications for COPVs include storage of natural gas and liquid hydrogen fuel in vehicles, and marine transport of propane via tanker ships.
Composite cryotanks, or composite overwrapped pressure vessels (COPVs), offer advantages over currently used aluminum- lithium cryotanks, particularly with respect to weight savings. Future NASA missions are ...Read More >>
Ceramic Adhesive and Methods for On-Orbit Repair of Re-Entry Vehicles
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Material can be applied in space to repair damage that requires heat/oxidation protection upon re-entry to Earth’s atmosphere.
This adhesive is capable of repairing damaged leading edge components of re-entry vehicles while in space, and is novel with regard to its ability to be applied in ...Read More >>
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Apr 2013
Regenerable Sorbent for CO2 RemovalLi-Ion Electrolytes With Improved Safety and Tolerance to High-Voltage Systems
Composite Aerogel Multifoil Protective Shielding
Polymer-Reinforced, Non-Brittle, Lightweight Cryogenic Insulation
Sprayable Aerogel Bead Compositions With High Shear Flow Resistance and High Thermal Insulation Value
Controlled, Site-Specific Functionalization of Carbon Nanotubes With Diazonium Salts
A Nanostructured Composites Thermal Switch Controls Internal and External Short Circuit in Lithium Ion Batteries
Mar 2013
Non-Toxic, Non-Flammable, –80 ºC Phase Change MaterialsSoft-Bake Purification of SWCNTs Produced by Pulsed Laser Vaporization
Improved Wide Operating Temperature Range of Li-Ion Cells
Feb 2013
High-Temperature, Lightweight, Self- Healing Ceramic Composites for Aircraft Engine ApplicationsTreatment to Control Adhesion of Silicone-Based Elastomers
High-Temperature Adhesives for Thermally Stable Aero-Assist Technologies
Jan 2013
Using Pre-Melted Phase Change Material to Keep Payloads in Space Warm for Hours Without PowerFibrillar Adhesive for Climbing Robots
Transformers: Shape-Changing Space Systems Built With Robotic Textiles
Nov 2012
Adjusting Permittivity by Blending Varying Ratios of SWNTsPolyolefin-Based Aerogels
An Integrated, Layered-Spinel Composite Cathode for Energy Storage Applications
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