Materials & Coatings

New Method to Determine How 2D Materials Expand

2D materials can be packed together more densely than conventional materials, so they could be used to make devices that run faster and perform better.

Engineers Develop New Shape-Memory Material

The discovery of a new category of shape-memory materials could open a new range of applications, especially for high-temperature settings.

Low Creep, Low Relaxation Fiber-Reinforced Polymer Composites

Inflatable and deployable beams and masts are often made of polymer composites and may be stored for one to two years in space before deployment.

Executive Roundtable: Additive Manufacturing

According to Grand View Research, the global additive manufacturing market size is estimated to reach $76.16 billion by 2030, growing at a CAGR of 20.8 percent.

Growing a 2D Functional Transistor on a Silicon Wafer

True to Moore’s Law, the number of transistors on a microchip has doubled every year since the 1960s. But this trajectory is predicted to soon plateau because silicon — the backbone...

Graphene-Based Electronics

Georgia Institute of Technology researchers have developed a new nanoelectronics platform based on graphene — a single sheet of carbon atoms.

Blocking Electromagnetic Radiation with the Flip of a Switch

Researchers in Drexel University’s College of Engineering have developed a thin film device, fabricated by spray coating, that can block electromagnetic radiation with the flip...

Longer-Lasting, Recyclable Phone Batteries

Instead of disposing of batteries after three years, we could have recyclable batteries that last three times longer.

Diamond Transistors

Researchers at Arizona State University and Northrop Grumman are working on a new project to create power transistors from diamond. The results could yield efficiencies that significantly shrink the size of electrical...

Carbon Nanotubes Store Energy

Lawrence Livermore National Laboratory (LLNL) scientists have created vertically aligned single-walled carbon nanotubes on metal foils that could be a boon for energy storage and the electronics industry.

Strengthening Electron-Triggered Light Emission

The way electrons interact with photons of light is a key part of many modern technologies, from lasers to solar panels to LEDs. But the interaction is inherently a weak one because of a major...

Predicting the Failure of Crystalline Metallic Materials

Researchers have developed a theory that predicts the limits to which metals can be subjected to cyclic stress before failing.

Adding Vibrations to Electronics to Reduce Vibrations

A counterintuitive way to protect atomically thin electronics: adding vibrations to reduce vibration issues.

Inflatable Space Habitats Use Sensors Embedded in Webbing for Structural Health Monitoring

A novel approach is moving away from conventional structural health monitoring testing methods for inflatable space habitats in favor of using sensors embedded in the flexible structural restraint webbing layers.

5 Ws of a Self-Healing Robot

A team of researchers at Cornell Engineering has developed a soft robot that can detect when and where it was damaged — and then heal itself on the spot.

Faster Computation for Deep-Learning Applications

A new area of artificial intelligence called analog deep learning promises faster computation with a fraction of the energy usage.

Electrolyte Additive Improves Battery Performance

The work could lead to improvements in the energy density of lithium batteries that power electric vehicles.

Multi-Layer Nuclear Thermionic Avalanche Cell

The invention consists of several NTAC layers arranged in a radially concentric series separated by a vacuum gap space.

Handheld Metal Tube Straightener

The tool straightens thin, malleable 4-mm metal tubes like those used for fuel, pneumatic, or hydraulic pressurized lines.

Light-Analyzing ‘Lab on A Chip’ Opens Door to Widespread Use of Portable Spectrometers

The device is 100 percent electrically controllable regarding the colors of light it absorbs, which gives it massive potential for widespread usability.

Deformation Fingerprints Will Help Researchers Identify, Design Better Metallic Materials

Researchers report that automated high-resolution electron imaging can capture the nanoscale deformation events that lead to metal failure and breakage.

Compact MEMS-Based NIR Spectroscopy for Mobile Applications

This measurement technique is particularly useful for, but not limited to, samples containing organic compounds.

Top 10 Most-Read Tech Briefs Stories of 2022

See Tech Briefs’ most-read stories of 2022.

A Self-Healing Structural Composite

Jason Patrick, assistant professor of civil, construction, and environmental engineering at North Carolina State University, and his team have developed a new composite material for applications like airplane wings and wind turbine blades in which hidden defects and damage can self-heal.

Electromagnetic-Wave-Absorbing 6G Tech

The epsilon iron oxide nanoparticles could be continuously produced through a micrometer-sized powder manufacturing process.

Low-Cost, High-Energy Battery Could Change the Decarbonization Game

The battery was made using sodium-sulphur — a type of molten salt that can be processed from sea water at a low cost.

Leveraging Metal 3D Printing for Manufacturing in Space

One promising metal-based additive technology for in-space 3D printing is Ultrasonic Additive Manufacturing (UAM). Instead of fusing metal powders, UAM welds foil at (near) room temperature.

Self-Folding Origami Honeycombs Perfect for Protective Packaging

A research team has demonstrated a promising method to easily manufacture self-folding origami honeycomb structures.