释义 |
tungsten carbide
tungsten carbiden. An extremely hard, fine gray powder whose composition is WC, used in tools, dies, wear-resistant machine parts, and abrasives.tungsten carbide n (Elements & Compounds) a fine very hard crystalline grey powder produced by heating tungsten and carbon to a very high temperature: used in the manufacture of drill bits, dies, etc. Symbol: WC; melting pt: 2870°C tungsten carbide
tungsten carbide[′təŋ·stən ′kär‚bīd] (inorganic chemistry) WC A hard, gray powder; insoluble in water; readily attacked by nitric-hydrofluoric acid mixture; melts at 2780°C; used in tools, dies, ceramics, cermets, and wear-resistant mechanical parts, and as an abrasive. tungsten carbide
tung·sten car·bideone of the hardest known materials, used as an abrasive and in the manufacture of dental cutting instruments.tungsten carbideA 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. See WC See W/C |