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.

Special Polymer/Carbon Composite Films for Detecting SO₂
Organic/Inorganic Polymeric Composites for Heat-Transfer Reduction
Composite Cathodes for Dual-Rate Li-Ion Batteries
Nickel-Based Superalloy Resists Embrittlement by Hydrogen
Chemical Passivation of Li⁺-Conducting Solid Electrolytes
Self-Deploying Trusses Containing Shape-Memory Polymers
Refractory Ceramic Foams for Novel Applications
Molecules for Fluorescence Detection of Specific Chemicals
Fuel-Cell Electrolytes Based on Organosilica Hybrid Proton Conductors
Gas Sensors Based on Coated and Doped Carbon Nanotubes
Photochemically Synthesized Polyimides
Hydroxide-Assisted Bonding of Ultra-Low-Expansion Glass
Optimized Carbonate and Ester-Based Li-Ion Electrolytes
LiCoPO₄ Cathode Layers for Thin-Film Batteries
High-Temperature SMAs for Actuator Applications
Low-Pt-Content Anode Catalyst for Direct Methanol Fuel Cells
Atomized BaF₂-CaF₂ for Better-Flowing Plasma-Spray Feedstock
Nanophase Nickel-Zirconium Alloys for Fuel Cells
SiO₂/TiO₂ Composite for Removing Hg From Combustion Exhaust
Lightweight Tanks for Storing Liquefied Natural Gas
Hybrid Wound Filaments for Greater Resistance to Impacts
Making High-Tensile-Strength Amalgam Components
Bonding by Hydroxide-Catalyzed Hydration and Dehydration
CHEM-Based Self-Deploying Planetary Storage Tanks
Sequestration of Single-Walled Carbon Nanotubes in a Polymer
Foam Core Shielding for Spacecraft
Modeling Metamaterials Leads to Advance in Cloaking System Prototype
Strong, Lightweight, Porous Materials
Nanowicks
Lightweight Thermal Protection System for Atmospheric Entry
Coating Thermoelectric Devices To Suppress Sublimation
Rapid Fabrication of Carbide Matrix/Carbon Fiber Composites
Ultrahigh-Temperature Ceramics
Improved C/SiC Ceramic Composites Made Using PIP
Coating Carbon Fibers With Platinum
Nanorod-Based Fast-Response Pressure-Sensitive Paints
Photocatalytic/Magnetic Composite Particles
Norbornene-Based Polymer Electrolytes for Lithium Cells
Making Single-Source Precursors of Ternary Semiconductors
Water-Free Proton-Conducting Membranes for Fuel Cells
Glass/BNNT Composite for Sealing Solid Oxide Fuel Cells
Improved Single-Source Precursors for Solar-Cell Absorbers
Spray CVD for Making Solar-Cell Absorber Layers
Making Ternary Quantum Dots From Single-Source Precursors
Increasing Durability of Flame-Sprayed Strain Gauges
Multifunctional, High-Temperature Nanocomposites
Multilayer Impregnated Fibrous Thermal Insulation Tiles
Lithium Dinitramide as an Additive in Lithium Power Cells
Ion-Conducting Organic/Inorganic Polymers
Accounting for Uncertainties in Strengths of SiC MEMS Parts
MoO₃ Cathodes for High-Temperature Lithium Thin-Film Cells
Progressive Failure Analysis of Composite Structures with FEA Software
Protective Skins for Aerogel Monoliths
Ceramic Paste for Patching High-Temperature Insulation
Fabrication of Polyimide-Matrix/Carbon and Boron-Fiber Tape
Composite Elastic Skins for Shape-Changing Structures
Glass/Ceramic Composites for Sealing Solid Oxide Fuel Cells
Carbon-Nanotube-Carpet Heat-Transfer Pads
Wholly Aromatic Ether-Imides as n-Type Semiconductors
Making Activated Carbon by Wet Pressurized Pyrolysis
Composite Solid Electrolyte Containing Li+- Conducting Fibers
Electrically Conductive Anodized Aluminum Surfaces
Thermoelectric Inhomogeneities in (Ag1–ySbTe2)x(PbTe)1–x
SiC Composite Turbine Vanes
Oxygen-Permeable, Hydrophobic Membranes of Silanized α-Al2O3
Lower-Conductivity Ceramic Materials for Thermal-Barrier Coatings
Improving Thermomechanical Properties of SiC/SiC Composites
Patches for Repairing Ceramics and Ceramic Matrix Composites
4-Vinyl-1,3-Dioxolane-2-One as an Additive for Li-Ion Cells
Aerogel/Particle Composites for Thermoelectric Devices
Vaporizable Scaffolds for Fabricating Thermoelectric Modules
Stability Enhancement of Polymeric Sensing Films Using Fillers
Nanotube Dispersions Made With Charged Surfactant
Aerogels for Thermal Insulation of Thermoelectric Devices
Low-Density, Creep Resistant Single Crystal Superalloys
Wire-Mesh-Based Sorber for Removing Contaminants From Air
Microsphere Insulation Panels
Tantalum-Based Ceramics for Refractory Composites
Single-Wall Carbon Nanotube Anodes for Lithium Cells
Making Activated Carbon for Storing Gas
Corrosion-Prevention Capabilities of a Water-Borne, Silicone- Based, Primerless Coating
Sol-Gel Process for Making Pt-Ru Fuel-Cell Catalysts
Low-Density, Aerogel-Filled Thermal- Insulation Tiles
High-Performance Polymers Having Low Melt Viscosities
Diamond-Coated Carbon Nanotubes for Efficient Field Emission
PETIs as High-Temperature Resin-Transfer-Molding Materials
Nonflammable, Hydrophobic Aerogel Composites for Insulation
Advanced Ablative Insulators and Methods of Making Them
Improved Anode Coatings for Direct Methanol Fuel Cells
Diamond-Coated Carbon Nanotubes for Efficient Field Emission
Anhydrous Proton-Conducting Membranes for Fuel Cells
Glass Frit Filters for Collecting Metal
Modifications of a Composite-Material Combustion Chamber
Development of Carbon-Nanotube/Polymer Composites
Multicomponent, Rare-Earth-Doped Thermal-Barrier Coatings
Reactive Additives for Phenylethynyl-Containing Resins
Multifunctional Deployment Hinges Rigidified by Ultraviolet
Multi-Layer Laminated Thin Films for Inflatable Structures
Nanostructured MnO2-Based Cathodes for Li-Ion/Polymer Cells
Making Macroscopic Assemblies of Aligned Carbon Nanotubes
Formulating Precursors for Coating Metals and Ceramics
Photocatalytic Coats in Glass Drinking-Water Bottles
Isogrid Membranes for Precise, Singly Curved Reflectors
Nickel-Tin Electrode Materials for Nonaqueous Li-Ion Cells
Patched Off-Axis Bending/Twisting Actuators for Thin Mirrors
Molybdate Coatings for Protecting Aluminum Against Corrosion
Synthesizing Diamond From Liquid Feedstock
Modifying Silicates for Better Dispersion in Nanocomposites
Better End-Cap Processing for Oxidation-Resistant Polyimides
Amplifying Electrochemical Indicators
Precious-Metal Salt Coatings for Detecting Hydrazines
Nanocarpets for Trapping Microscopic Particles
Treated Carbon Nanofibers for Storing Energy in Aqueous KOH
New Material for Surface-Enhanced Raman Spectroscopy
Using Iron To Treat Chlorohydrocarbon Contaminated Soil
Brazing SiC/SiC Composites to Metals
Composite-Material Tanks With Chemically Resistant Liners
Improved BN Coatings on SiC Fibers in SiC Matrices
Fuels Containing Methane or Natural Gas in Solution
Direct Electrolytic Deposition of Mats of Mn_xO_y Nanowires
Personal Radiation Protection System
Improved Method of Purifying Carbon Nanotubes
Patterned Growth of Carbon Nanotubes or Nanofibers
Lightweight, Rack-Mountable Composite Cold Plate/Shelves
Electrodeionization Using Microseparated Bipolar Membranes
Safer Electrolytes for Lithium-Ion Cells
Curing Composite Materials Using Lower-Energy Electron Beams
Aluminum-Alloy-Matrix/Alumina-Reinforcement Composites
Fibrous-Ceramic/Aerogel Composite Insulating Tiles
Urethane/Silicone Adhesives for Bonding Flexing Metal Parts
Elastomer Filled With Single-Wall Carbon Nanotubes
Study of Rapid-Regression Liquefying Hybrid Rocket Fuels
Liquid-Crystal Thermosets, a New Generation of High-Performance Liquid-Crystal Polymers
Reproducible Growth of High-Quality Cubic-SiC Layers
Nonlinear Thermoelastic Model for SMAs and SMA Hybrid
Formulations for Stronger Solid Oxide Fuel-Cell Electrolytes
Making Carbon-Nanotube Arrays Using Block Polymers: Part II
Processable Polyimides Containing APB and Reactive End Caps
Rod/Coil Block Copolyimides for Ion-Conducting Membranes
Liquid Coatings for Reducing Corrosion of Steel in Concrete
Less-Toxic Coatings for Inhibiting Corrosion of Aluminum
Organic/Inorganic Hybrid Polymer/Clay Nanocomposites
Environmentally Safer, Less Toxic Fire-Extinguishing Agents
Switching and Rectification in Carbon-Nanotube Junctions
Scandia-and-Yttria-Stabilized Zirconia for Thermal Barriers
Multiaxial Temperature- and Time-Dependent Failure Model
Oxide Protective Coats for Ir/Re Rocket Combustion Chambers
Simplified Waterproofing of Aerogels
Improved Thermal-Insulation Systems for Low Temperatures
Burn-Resistant, Strong Metal-Matrix Composites
Better VPS Fabrication of Crucibles and Furnace Cartridges
Antistatic Polycarbonate/Copper Oxide Composite
Stable, Thermally Conductive Fillers for Bolted Joints
Shields for Enhanced Protection Against High-Speed Debris
Transparent Metal-Salt-Filled Polymeric Radiation Shields
Meshed-Pumpkin Super-Pressure Balloon Design
Corrosion Inhibitors as Penetrant Dyes for Radiography
Explicit Pore Pressure Material Model in Carbon-Cloth Phenolic
Flexible Composite-Material Pressure Vessel
Lower-Conductivity Thermal-Barrier Coatings
Process for Smoothing an Si Substrate After Etching of SiO₂
Treatment To Destroy Chloro-hydrocarbon Liquids in the Ground
Perovskite Superlattices as Tunable Microwave Devices
Reliability and Design Considerations for Long Life Using Mica Capacitors in High-Voltage Apps
Annealing Would Improve β" — Alumina Solid Electrolyte
Low-Power RIE of SiO₂ in CHF₃ To Obtain Steep Sidewalls
Process for Encapsulating Protein Crystals
Mixed Conducting Electrodes for Better AMTEC Cells
Advancements in Technology for Controlling Fiber Orientation in Composite Parts
Low-EC-Content Electrolytes for Low-Temperature Li-Ion Cells
Alkaline Capacitors Based on Nitride Nanoparticles
Polymer Electrolytes for Rechargeable Lithium Batteries
Internal-Combustion Engines With Ringless Carbon Pistons
Filled Skutterudites as Thermoelectric Materials
Polyaniline Compounds for Protection Against Corrosion
Electrodialysis To Remove Ammonium Ions From Wastewater
Separating Ethanol From Water Via Differential Miscibility
Composite-Matrix Regenerators for Stirling Engines
Advanced Cryogenic Insulation System for Graphite/Organic Resin Composite Cryogenic-Tank Structures