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 ?
Provides corrosion-resistant tungsten-carbide cladding for screws and dies.
Based on the 110-ton model EC110 toggle-clamp machine, the new LIM system has an Xaloy 800 tungsten-carbide barrel, special LSR screw that prevents backflow during injection, auto-closing non-return valve, pneumatic shut-off nozzle, water-cooled barrel and nozzle shut-off, and four-zone mold heat control.
He says many processors using highly filled resins report that their IDM-Ultramax barrels have lasted three to five times longer than tool-steel or furnace-cast tungsten-carbide bimetallics and still show only negligible wear.
A highly wear-resistant tungsten-carbide coating is newly available for refurbishing twin screws, barrels, and other components.
Tungsten-carbide and cobalt coatings are applied on other wear surfaces.