Materials & Coatings

Metals

Learn what’s trending in the engineering metals used in 3D printing, military, medical devices, automotive, and manufacturing. Find the latest applications that design engineers are using to meet their design challenges.

Latest Briefs & News

Blog : Materials
New Metal-Air Battery Design Offers a Potential Boost to Electric Vehicles
Professor Hart spoke with Tech Briefs about why his team's new battery may someday find its way beyond niche applications and into electric vehicles.
Briefs : Materials
Method Enables Electronic Components to be Printed Like Newspapers

Cellphones, laptops, tablets, and many other electronics rely on their internal metallic circuits to process information at high speed. Current metal fabrication techniques...

Briefs : Energy
Piezoelectric Resonator with Two Layers

Microelectromechanical systems (MEMS) filters have advantages in being able to reduce the size, weight, and power required when used as part of electronic systems such as radios; however, MEMS-type filters have limitations. For example, thickness MEMS-type filters (e.g., thickness-extensional mode...

Briefs : Materials
Self-Healing Metal Oxides for Corrosion Protection

Most metals, with the notable exception of gold, tend to oxidize when exposed to air and water. This reaction — which produces rust on iron, tarnish on silver, and verdigris on copper or...

Briefs : Electronics & Computers
One-Dimensional Material with High Current Density

Current density is the amount of electrical current per cross-sectional area at a given point. As transistors in integrated circuits become smaller and smaller, they need higher and higher...

Articles : Robotics, Automation & Control
2018 Create the Future Design Contest: Robotics/Automation/Manufacturing Category Winner

DON’T MELT. MELD.™

The MELD™ technology enables additive manufacturing (AM) of metals. This patented process is unique because there is...

Articles : Electronics & Computers
2018 Create the Future Design Contest: Aerospace & Defense Category Winner

DETECTING PLASTIC LANDMINES

Hidden PFM-1 anti-personnel landmines are unexploded ordnance (UXO) devices that pose a difficult challenge to conventional...

Articles : Automotive
2018 Create the Future Design Contest: Automotive/Transportation Category Winner

ISCAD — ELECTRICAL DRIVE WITH 0% RARE EARTHS, 25% HIGHER DRIVING RANGE, AND 100% SAFETY

Conventional electrical machines suffer from the problem that...

Articles : Sensors/Data Acquisition
2018 Create the Future Design Contest: Consumer Products Category Winner

ALUMINUM-POWERED ELECTRICITY GENERATION

Aluminum has an incredibly high energy density — double that of gasoline and an order of magnitude greater than...

Briefs : Photonics/Optics
Generating Light-Induced Electrical Current in Atomically Thin Nanomaterials

When hit with light, semiconductors (materials that have an electrical resistance in between that of metals and insulators) generate an electric current....

Articles : Propulsion
NASA at 60: Celebrating Success

Over the past 60 years, NASA scientists and engineers have developed many advanced technologies and processes. But NASA has also partnered with industry, using commercially available products to complete its missions. Here, some of those companies join NASA in celebrating these collaborative successes.

Briefs : Manufacturing & Prototyping
3D Printing Enables Bulk Creation of Metallic Glass Alloys

Researchers have demonstrated the ability to create amorphous metal (metallic glass) alloys on large scales using 3D printing technology. Metallic glasses lack the crystalline...

News : Aerospace
3 Key Benefits: Better Corrosion Resistance, Fatigue Life, Part Integrity

Electropolishing has become a common metal finishing process used in the aerospace industry to help improve the overall quality of metal components. These components...

News : Materials
Advantages of Electropolishing for Penetrant Testing

It’s common, especially in the aerospace industry, for parts that are fracture critical to be Liquid Penetrant Inspected (LPI) prior to installation. Also known as Dye Penetrant...

Briefs : Materials
High-Kinetic-Energy Penetrator Shielding and High-Wear-Resistance Materials Fabricated with Boron Nitride Nanotubes and BNNT Polymer Composites

In recent years, anti-penetration materials have been more widely used for armor, bulletproof vests, and micrometeoroid and orbital debris protection layers for space-suits, space vehicles, and...

Blog : Sensors/Data Acquisition
Functional Fabric Brings Semiconductors Directly to the Fiber
Instead of attaching semiconductors to fabric, an MIT team has found a way to add the technology right into the fiber themselves.
INSIDER : Photonics/Optics
Tiny Defects in Semiconductors Created ‘Speed Bumps’ or Electrons. UCLA Researchers Cleared the Path

UCLA scientists and engineers have developed a new process for assembling semiconductor devices. The advance could lead to much more...

Briefs : Motion Control
Fast, Low-Voltage Actuator for Soft and Wearable Robotics

The unique capabilities of soft robots are to bend, deform, stretch, twist, or squeeze in all the ways that conventional rigid robots cannot. Today, it is easy to envision a world in...

Articles : Manufacturing & Prototyping
IMTS2018 Preview

Presented by the Association for Manufacturing Technology (AMT), the International Manufacturing Technology Show (IMTS) has been the premier manufacturing technology show in the Northern Hemisphere. IMTS is held every even...

Briefs : Materials
Variable-Camber Compliant Wing

In the early years of manned flight, wing warping was used for lateral control of an aircraft. This technique consisted of a system of pulleys and cables used to twist the trailing edges of the wings in...

Briefs : Manufacturing & Prototyping
Method 3D-Prints Marine-Grade Stainless Steel

Marine-grade stainless steel is valued for its performance under corrosive environments, and for its high ductility — the ability to bend without breaking under stress. But conventional...

Briefs : Energy
Graphene Oxide Nanosheets for Lithium-Metal Batteries

Lithium-metal batteries — which can hold up to ten times more charge than lithium-ion batteries — haven't been commercialized because of a fatal flaw: as the batteries charge and...

Briefs : Materials
Printing Flexible, Stretchable Silver Nanowire Circuits

Silver nanowires have drawn significant interest in recent years for use in many applications ranging from prosthetic devices to wearable health sensors due to their flexibility,...

Briefs : Electronics & Computers
Hardface Coating Systems for Wear and Corrosion Resistance

Metal alloys, such as titanium alloys and steels, are known to have a good combination of mechanical properties for many structural applications, but these metal alloys do not meet the wear and corrosion resistance requirements for some structural applications. Titanium alloys, for...

Briefs : Electronics & Computers
Advances in Spintronic Devices

Spintronic devices promise to solve major problems in today's computers, which use massive amounts of electricity to generate heat. This requires expending even more energy for cooling. By contrast, spintronic...