Meaning of CARBIDE in English



Inorganic compound, any of a class of chemical compounds in which carbon is combined with a metal or semimetallic element.

The nature of the second element (its position in the periodic table ) determines the carbide's type of bonding and its properties. Calcium carbide is useful as a source of acetylene . Carbides of tungsten, silicon (see Carborundum ), and boron, called refractory carbides, are extremely hard, remain stable when heated, and have a high melting point and chemical resistance. They are used as abrasives and in cutting tools, as furnace linings, and in other high-temperature applications. Iron carbide (cementite) is an important constituent of steel and cast iron .

Britannica Concise Encyclopedia.      Краткая энциклопедия Британика.