Carborundum

Carborundum
/kahr'beuh run"deuhm/, Trademark.
any of various abrasives or refractories of silicon carbide, fused alumina, and other materials.

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Trademark name of silicon carbide, an inorganic compound discovered in the 1880s by E.G. Acheson.

Carborundum has a crystal structure like that of diamond and is almost as hard. It is used as an abrasive for cutting, grinding, and polishing, as an antislip additive, and as a refractory.

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  • carborundum — [ karbɔrɔ̃dɔm ] n. m. • 1894; nom déposé; mot angl., de carbon « carbone » et corundum « corindon » ♦ Techn. Carbure de silicium utilisé comme abrasif, comme matériau réfractaire. Carborundum en grains, en poudre. Scie au carborundum. ●… …   Encyclopédie Universelle

  • carborundum — CARBORÚNDUM s.n. Carbură de siliciu, folosită ca material abraziv. – Din fr. carborundum. Trimis de valeriu, 13.09.2007. Sursa: DEX 98  CARBORÚNDUM s. (chim.) carbură de siliciu. Trimis de siveco, 05.08.2004. Sursa: Sinonime  carborúndum s. n.… …   Dicționar Român

  • Carborundum [1] — Carborundum (Carborund, Siliciumkarbid), chemische Verbindung von Silicium und Kohlenstoff (Silicid des Kohlenstoffs) SiC, spez. Gew. bei 15° = 3,125 nach Richard [1], nach Fitz Gerald 3,171–3,214; zeigt hexagonale Kristalle von… …   Lexikon der gesamten Technik

  • Carborundum — ist der Markenname für den synthetischen Hartstoff Siliziumcarbid, zusammengesetzt aus den Worten Carbon (Kohlenstoff) und Korund (ein Hartstoff aus Aluminiumoxid). Es bedeutet also wörtlich soviel wie „Korund aus Kohlenstoff“. Die erste Synthese …   Deutsch Wikipedia

  • Carborundum [2] — Carborundum SiC (vgl. Bd. 2, S. 422) entsteht nach Untersuchungen von Gillet, wenn man Kohle und Siliciumdioxyd bei 1820° C. aufeinander einwirken läßt, bei 1540° C. dagegen entsteht Siloxikon Si2C2O. Bei 2220° zerfällt Carborundum in seine… …   Lexikon der gesamten Technik

  • Carborundum — name of a brand of abrasives made from carbon and silicon (reg. trademark U.S. June 21, 1892, by Carborundum Co. of Monongahela City, Pa.), from CARBON (Cf. carbon) + CORUNDUM (Cf. corundum) …   Etymology dictionary

  • Carborundum — Car bo*run dum (k[aum]r b[ o]*r[u^]n d[u^]m), [a trade name, from Carbon + corundum.] A beautiful crystalline compound, {silicon carbide} ({SiC}), consisting of carbon and silicon in combination; also called {carbon silicide}. It is made by… …   The Collaborative International Dictionary of English

  • carborundum® — {{hw}}{{carborundum®}}{{/hw}}s. m. Nome commerciale del carburo di silicio, usato, per la sua durezza, per fabbricare mole e smerigli …   Enciclopedia di italiano

  • carborundum — ► NOUN ▪ a very hard black solid consisting of silicon carbide, used as an abrasive. ORIGIN blend of CARBON(Cf. ↑carbonaceous) and CORUNDUM(Cf. ↑corundum) …   English terms dictionary

  • Carborundum — ☆ Carborundum [kär΄bə run′dəm ] [ CARB(ON) + (C)ORUNDUM] trademark for very hard abrasives and refractories, esp. silicon carbide, used in grindstones, powders, etc. n. [c ] such a substance …   English World dictionary

  • Carborundum® — /kär bə runˈdum/ noun A silicon carbide, used as a substitute for corundum in grinding, etc ORIGIN: ↑carbon and ↑corundum; a trademark in some countries …   Useful english dictionary

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