tungsten carbide


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tung·sten car·bide

one of the hardest known materials, used as an abrasive and in the manufacture of dental cutting instruments.

tungsten carbide

A hard alloy composed of tungsten and carbon. It is used as a metallic alternative to diamond in the manufacture of histological knives and surgical instruments.

tung·sten car·bide

(tŭng'stĕn kahr'bīd)
One of the hardest known materials, used as an abrasive and in manufacture of dental cutting instruments.
References in periodicals archive ?
When tungsten carbide is incorporated into the fuel cell membrane, it humidifies the membrane at a level that optimizes performance.
Our range of tungsten carbide CVD coatings provides an effective solution for these problems, ensuring extended life of components and less time spent on maintenance.
The crystallite size f or the copper and tungsten carbide nanoparticles was also measured that was nearly 7.41nm.
The Rotometrics-Mitsubishi Materials secret is in the controlled selection of Tungsten Carbide for each application.
According to Crafts Technology vice president Dave LeMaistre, "Although tungsten carbide is a more expensive material than the copper alloys or the tool steel typically used in core pins, its ability to be used to produce high-quality molded parts and to cut cycle time significantly makes tungsten carbide core pins worth the investment for many applications." www.craftstech.net.
It uses the energy of a laser beam to melt a tungsten carbide powder mixed with a filler metal.
WBH will bring know-how, technology and capacity for world class production and recycling of tungsten carbide. It provides us with resources to manage the entire production process, from ore to finished cemented carbide powder.
The proposed and experimented method in this work consists in manufacturing of the interchangeable heads (removable) for spot welding of copper bare cutted to the appropriate size and cladded on both heads by M.M.A welding (manual welding) with special designed and realised cooper-base addition materials (coated electrodes) and tungsten carbide additions in the coating.
(2003), reported that cryogenic treatment improved the wear resistance and overall tool lives of tungsten carbide tool inserts in turning [4].
Schober USA offers diecutting dies in tungsten carbide for long operational life.
Tungsten carbide sharpeners are available at kitchen supply stores, hardware stores and online, and range in price from $5 to $30.
In September, we explored the stranglehold that China has on the worldwide supply for the main raw material of tungsten carbide. (See "The hidden monopoly among cutting tools.") A significant supply risk, not to mention price risk, is present when any single entity has this type of monopoly--80 percent.