Search results for carbide

Materials Science Jan 28, 2021

Using zirconium as an additive in super-strong composite materials

Ceramic matrix composites (CMCs) are incredibly strong materials used in jet engines, gas turbines, and cutting tools for nickel superalloys. Aluminum oxide (Al2O3) is hard and chemically inert, and tungsten carbide (WC) ...

General Physics Jan 12, 2021

No disassembly required: Non-destructive method to measure carrier lifetime in SiC

Silicon carbide (SiC), a versatile and resistant material that exists in multiple crystalline forms, has attracted much attention thanks to its unique electronic properties. From its use in the first LED devices, to its applications ...

Condensed Matter Jan 12, 2021

Scientists measure local vibrational modes at individual crystalline faults

Often admired for their flawless appearance to the naked eye, crystals can have defects at the nanometer scale, and these imperfections may affect the thermal and heat transport properties of crystalline materials used in ...

Materials Science Jan 4, 2021

Putty-like composites of gallium metal with potential for real-world application

Gallium is a highly useful element that has accompanied the advancement of human civilization throughout the 20th century. Gallium is designated as a technologically critical element, as it is essential for the fabrication ...

Polymers Dec 21, 2020

Scientists develop an efficient way to produce low-cost heatsinks

NUST MISIS scientists found a way to reduce the cost of industrial and electronics heatsinks production up to 10 times. Consequently, the product itself would also cost less. The proposed methods presume the use of rubber ...

Materials Science Dec 9, 2020

Oxidation in novel coating material for aircraft gas turbine engines

Certain sections of aero gas-turbine engines, which are widely used in aircrafts, regularly reach temperatures above 1,200 °C. Needless to say, any materials used in such harsh environments must be durable and up to the ...

Materials Science Dec 2, 2020

A combined strategy in catalyst design for Suzuki cross-couplings

The Suzuki cross-coupling reaction is a widely used technique for combining organic compounds and synthesizing complex chemicals for industrial or pharmaceutical applications. The process requires the use of palladium (Pd) ...

Materials Science Nov 25, 2020

A new strategy for the greener use of calcium carbide

Calcium acetylide was discovered more than 150 years ago. It is a yellowish-white, beige, or gray solid, a compound of calcium and carbon. Calcium acetylide is currently used to produce gaseous acetylene. In industry, it ...

Nanophysics Nov 18, 2020

A technique to over-dope graphene beyond the van Hove singularity

For over a decade, theoretical physicists have predicted that the van Hove singularity of graphene could be associated with different exotic phases of matter, the most notable of which is chiral superconductivity.

Nanophysics Oct 27, 2020

Tailoring nanocomposite interfaces with graphene to achieve high strength and toughness

The weak interfacial interaction between nanofillers and matrix nanocomposites during materials engineering have caused nanofiller reinforcing effects to be far below the theoretically predicted values. In a new report now ...

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