Materials & Coatings

Access our comprehensive library of technical briefs on materials and coatings, from engineering experts at NASA and government, university, and commercial laboratories.

Briefs : Mechanical & Fluid Systems
Snake-Inspired Robot

Researchers have developed a new and improved snake-inspired soft robot that is faster and more precise than its predecessor.

Sensor Technology : Wearables
3D Printable Sensors Disposed of Without Contaminating the Environment

Simon Fraser University and Swiss researchers are developing an eco-friendly, 3D printable solution for producing wireless Internet-of-Things (IoT) sensors that can be...

Briefs : Sensors/Data Acquisition
Graphene-Based Technology for Wearable Health Monitoring

Graphene Flagship partner ICFO, based in Barcelona, Spain is developing graphene-based prototypes that aim to turn mobile phones into life saving devices. The first of these will allow...

Briefs : Electronics & Computers
Rhombohedron Epitaxial Growth with Molten Target Sputtering (MTS) at 500 °C Substrate Temperature

This invention applies to the field of sputtering, depositing SiGe thin films on sapphire substrates. It is a method of modifying the film...

Briefs : Electronics & Computers
Bendable Electronic Paper Displays a Range of Colors

The combination of conductive polymers on nanostructures was demonstrated as suited to creating electronic displays as thin as paper. The “paper” is similar to the Kindle tablet. It...

Briefs : Test & Measurement
Measurement Method for Radioactive Methane

Anew method for measuring radioactive methane is an optical one based on spectroscopy. Previously, radioactive methane has been measured with accelerator mass spectrometry involving expensive machines. Optical measuring could be a cheaper and more agile method.

Briefs : Materials
Metamaterial Mirror Reflects Sound Waves in Any Direction

Researchers have constructed a “metamirror” device capable of perfectly reflecting sound waves in any direction. The proof-of-principle demonstration is analogous to looking...

Briefs : Sensors/Data Acquisition
Waterproof Graphene Electronic Circuits

The many applications of graphene, an atomically-thin sheet of carbon atoms with extraordinary conductivity and mechanical properties, include the manufacture of sensors. These transform environmental parameters into electrical signals that can be processed and measured with a computer. Due to their...

Briefs : Energy
Material Could Make Plastic Manufacturing More Energy-Efficient

Anew material was developed that can extract the key ingredient in the most common form of plastic from a mixture of other chemicals while consuming far less energy than usual....

Briefs : Data Acquisition
Singlet-Based Magnet for Enhanced Data Storage

Anew type of magnet — called a singlet-based magnet — was discovered that differs from conventional magnets in which small magnetic constituents align with one another to create a strong...

Briefs : Photonics/Optics
Coating Prevents Fogging on Transparent Surfaces

Anyone who skis, wears glasses, uses a camera, or drives a car is familiar with the problem: Coming into a humid environment from the cold causes eyewear, camera lenses, or windshields to...

Briefs : Electronics & Computers
Transparent, Self-Healing Electronic Skin

Scientists have taken inspiration from underwater invertebrates like jellyfish to create an electronic skin with similar functionality. Like a jellyfish, the electronic skin is transparent, stretchable, touch-sensitive, and self-healing in aquatic environments.

Briefs : Photonics/Optics
Tiny Optical Elements Could One Day Replace Traditional Refractive Lenses

A Northwestern University research team has developed tiny optical elements from metal nanoparticles and a polymer that one day could replace traditional refractive...

Briefs : Manufacturing & Prototyping
Multimaterial 3D Printing Used to Develop Fast-Response, Stiffness-Tunable, Soft Actuator

Fast-response, stiffness-tunable (FRST) soft actuators — or movable machine elements — were developed that could be used in soft robots.

Briefs : Mechanical & Fluid Systems
Smart Microrobots Adapt to Surroundings

Researchers, drawing inspiration from bacteria, have designed smart, bio-compatible microrobots that are highly flexible. Because these devices are able to swim through fluids and modify their shape...

Briefs : Materials
Self-Lubrication Improves Standard Braking Systems

By mixing carbon fibers into polymer-based brakes, researchers designed brakes that are self-lubricating. These new and improved brakes can prevent wear-and-tear and have better frictional...

Briefs : Transportation
Directly Cooled Electric Motor Made from Polymer Materials

Making electric cars lighter also involves reducing the weight of the motor. One way to do that is by constructing it from fiber-reinforced polymer materials. A new cooling concept...

Briefs : Manufacturing & Prototyping
Synthesizing Renewable Oils for Use in Lubricants

Industrial machinery, agricultural equipment, transportation vessels, and home applications depend on lubricants; however, they leave a heavy environmental footprint. Common lubricants, oils,...

Briefs : Data Acquisition
Thin, Durable Heating Patches

Thin, durable heating patches were created using intense pulses of light to fuse tiny silver wires with polyester. Their heating performance is nearly 70 percent higher than similar patches. The inexpensive...

Briefs : Mechanical & Fluid Systems
Material Captures and Removes Toxic Atmospheric Gas

A metal-organic framework (MOF) material was developed that exhibits a selective, fully reversible, and repeatable capability to remove nitrogen dioxide gas from the atmosphere in ambient...

Briefs : Materials
Using Common WiFi to Detect Weapons, Bombs, and Chemicals in Bags

Ordinary WiFi can easily detect weapons, bombs, and explosive chemicals in bags at museums, stadiums, theme parks, schools, and other public venues using a low-cost suspicious...

Briefs : Materials
Fabric Alternative to Batteries for Wearable Devices

Wearable biosensors for health monitoring lack a lightweight, long-lasting power supply. A new method was developed for making a charge-storing system that is easily integrated into...

Briefs : Materials
Rechargeable, High-Temperature, Molten Salt Battery

Growing demand for electric vehicles and more sustainable forms of transport means finding new forms of energy storage such as batteries, supercapacitors, and fuel cells. Currently, a major...

Briefs : Materials
Plastic-Degrading Enzyme

Eight million metric tons of plastic waste, including polyethylene terephthalate (PET) bottles, enter the oceans each year, creating huge manmade islands of garbage. Experts estimate that by 2050, there will be as much waste plastic in the ocean by mass as there are fish. A bacterium, Ideonella sakaiensis 201-F6, can...

Briefs : Materials
Metallic Hollow Nanoparticle Fabrication

NASA Langley Research Center has developed new methods for fabricating hollow nanoparticles using dendrimer molecules. Dendrimers are used as templates to control the size, stability, and solubility...

Briefs : Sensors/Data Acquisition
Extrans Permeation Measurement System

Many applications in science and industry require an apparatus that creates a controlled amount of a fluid introduced into another fluid. For instance, some material corrosion testing applications...

Briefs : Materials
In-Situ Selective Reinforcement of Near-Net-Shape Formed Structures

NASA’s Langley Research Center has developed a method in which a metal matrix composite (MMC) material is incorporated into a metallic structure during a one-step...

Briefs : Nanotechnology
See-Through Film Rejects 70 Percent of Incoming Solar Heat

A heat-rejecting film was developed that could be applied to a building’s windows to reflect up to 70 percent of the Sun’s incoming heat. The film remains highly transparent...

Briefs : Imaging
Polarization Imaging Sensor for Enhanced Scene Analysis

Along with intensity and color, polarization is a property of light that can provide useful information for scene analysis; however, the human eye and most cameras cannot detect...

Briefs : Materials
Wear-Resistant Platinum Gold Alloy

From cellphones to satellites, industry spends millions on traditional gold alloy electrical contact coatings. While gold and other metal alloys have been an industry standard to protect metal components...

Technology Leaders