Materials & Coatings

Ceramics

Explore a range of articles, technical briefs, and news covering ceramic materials used in military, aerospace, medical devices, and automotive applications.

Briefs : Mechanical & Fluid Systems
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 : Materials
Contaminant-Free Steel

For many highly stressed engineering applications like bearings and gears, contaminated steel parts can lead to devastating outcomes such as an emergency shutdown or the end of a mission. Ensuring that these critical...

Briefs : Energy
High-Power-Density Solid Oxide Fuel Cell

NASA's Glenn Research Center has developed a novel solid oxide fuel cell (SOFC) with five times the specific power density of currently available SOFCs. This highly efficient SOFC can operate on a...

Articles : Test & Measurement
Facility Focus: Ames Laboratory

Ames Laboratory is a government-owned, contractor-operated national laboratory of the U.S. Department of Energy (DOE), operated by and located on the campus of Iowa State University in Ames, IA. For more than...

Products : Sensors/Data Acquisition
New on the Market: November 2018

Thermography Systems

Advanced Thermal Solutions, Norwood, MA, announced the tvLYT liquid crystal thermography system that provides a portable solution for temperature measurement of...

Briefs : Electronics & Computers
Non-Toxic HAN Monopropellant Propulsion

A highly miniaturized, MR-143, green monopropellant thruster was developed for 1N thrust. Testing indicated the initial catalyst bed heater was insufficient. In subsequent development, the thruster was equipped with a more efficient catalyst bed heater. For reliable ignition of the advanced, non-toxic,...

Briefs : Materials
Recyclable Polymer Exhibits Practical Properties of Plastics

A polymer was discovered that possesses many of the same characteristics as plastics, such as light weight, heat resistance, strength, and durability. But the new polymer, unlike...

Briefs : Materials
Precision CNT Cutting Mechanism

NASA Langley Research Center has developed a simple mechanism for the clean cutting of high-strength and high-toughness carbon nanotube/poly-mer fiber composites on demand without high blade wear or...

Briefs : Materials
Method for Reducing Broadband Noise

Researchers at NASA’s Glenn and Langley Research Centers have developed a groundbreaking bio-mimicking acoustic liner for quieting noisy environments. Conventional approaches have not been able to absorb...

Briefs : Green Design & Manufacturing
Solid-State Humidity Sensing Element

Researchers at NASA's Marshall Space Flight Center have developed a solid-state humidity sensing element that offers ultra-high sensitivity across a wide range of humidity levels. The sensing element is based on a novel ceramic dielectric material that exhibits large changes in capacitance as a function of...

Question of the Week : Materials
Will we drive on piezoelectric highways?

Today's lead INSIDER story showcased efforts from Lancaster University to create road-ready piezoelectric tiles. The electricity generated from the ceramics (and the vehicles driving over them) could someday be used to power street lamps and traffic lights.

News : Materials
A Piezoelectric Highway? Engineers Take Another Test Drive

Researchers from Lancaster University are looking to pave the next generation of smart road surfaces — with piezoelectric ceramics. When embedded in road surfaces, the tiles...

News : Materials
Super-Strong 'Glassy Carbon' is Elastic and Electric

A new compressed form of glassy carbon opens up possibilities for applications requiring low weight and high strength — from aerospace parts to football helmets.

Briefs : Materials
Multi-Phase Ceramic System

Bearing surfaces are typically either metal-on-metal (MOM), ceramic-on-ceramic (COC), or metal-on-polyethylene (MOP). MOM and MOP couplings have the drawback that metallic or polyethylene particles can sometimes separate from the couplings, which can cause significant problems, particularly in a hip or joint...

Briefs : Materials
Developing Ceramic-Like Bulk Metallic Glass Gears

This invention describes systems and methods for implementing bulk metallic glass-based (BMG) macroscale gears with high wear resistance.

This invention creates bulk metallic glasses (BMGs) with selected mechanical properties that are very similar to ceramics, such as high strength and...

News : Electronics & Computers
Garnet Ceramics Could Be the Key to High-Energy Lithium Batteries

Scientists at the Department of Energy’s Oak Ridge National Laboratory have discovered exceptional properties in a garnet material that could enable development of higher-energy battery designs. The ORNL-led team used scanning transmission electron microscopy to take an...

News : Defense
Researchers Develop Harder Ceramic for Armor Windows

The Department of Defense needs materials for armor windows that provide essential protection for personnel and equipment while still having a high degree of transparency. To meet that need, scientists at the U.S. Naval Research Laboratory (NRL) have developed a method to fabricate...

News : Aerospace
Aircraft Engine Coating Could Triple Service Life and Save Fuel

Researchers at University West in Sweden are using nanoparticles in the heat-insulating surface layer that protects aircraft engines from heat. In tests, this increased the service life of the coating by 300%. The hope is that motors with the new layers will be in production within...

Briefs : Medical
Zinc-Doped Tricalcium Phosphate Ceramic for Surgical Implants

A ceramic body consisting of the phases of tricalcium phosphate and/or hydroxyapatite provides biocompatibility with hard tissues. When such a ceramic body is implanted in a bone, direct connection is formed between the bone and the ceramic body without intervention of any fibrous...

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