clay crucible

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• Crucible — Cru ci*ble (kr[udd] s[i^]*b l), n. [LL. crucibulum a hanging lamp, an earthen pot for melting metals (cf. OF. croisel, creuseul, sort of lamp, crucible, F. creuset crucible), prob. of German origin; cf. OHG. kr[=u]sul, LG. kr[ u]sel, hanging lamp …   The Collaborative International Dictionary of English

• Crucible — For other uses, see Crucible (disambiguation). A modern crucible used in the production of silicon ingots via the Czochralski process A crucible is a container used for metal, glass, and pigment production as well as a number of modern laboratory …   Wikipedia

• Crucible steel — Iron alloy phases Ferrite (α iron, δ iron) Austenite (γ iron) Pearlite (88% ferrite, 12% cementite) …   Wikipedia

• crucible — /krooh seuh beuhl/, n. 1. a container of metal or refractory material employed for heating substances to high temperatures. 2. Metall. a hollow area at the bottom of a furnace in which the metal collects. 3. a severe, searching test or trial.… …   Universalium

• crucible furnace — ▪ metallurgy       metallurgical furnace consisting essentially of a pot of refractory material that can be sealed. Crucibles of graphite or of high grade fire clay were formerly used in the steel industry, heated directly by fire; modern high… …   Universalium

• crucible — noun /ˈkɹuː.sɪ.bəl/ a) A cup shaped piece of laboratory equipment used to contain chemical compounds when heating them to very high temperatures. b) A heat resistant container in which metals are melted, usually at temperatures above 500°C,… …   Wiktionary

• Hessian crucible — Crucible Cru ci*ble (kr[udd] s[i^]*b l), n. [LL. crucibulum a hanging lamp, an earthen pot for melting metals (cf. OF. croisel, creuseul, sort of lamp, crucible, F. creuset crucible), prob. of German origin; cf. OHG. kr[=u]sul, LG. kr[ u]sel,… …   The Collaborative International Dictionary of English

• Hessian crucible — A Hessian crucible is a type of crucible that was manufactured in the Hesse region of Germany from the late Middle Ages through the Renaissance period. They were renowned for their ability to withstand very high temperatures, rapid changes in… …   Wikipedia

• Fire clay — is a specific kind of clay used in the manufacture of ceramics, especially fire brick. The fire attribution is given for its refractory characteristics. There are two types of fire clay: flint clay and plastic fire clay.It is resistant to high… …   Wikipedia

• Cholera Monument Grounds and Clay Wood — The Cholera Monument. The Cholera Monument is a memorial in Sheffield, England to the victims of a cholera epidemic of 1832. 402 victims of the disease were buried in grounds between Park Hill and Norfolk Park adjoining Clay Wood. Money from the… …   Wikipedia

• Fire clay — Fire Fire (f[imac]r), n. [OE. fir, fyr, fur AS. f[=y]r; akin to D. vuur, OS. & OHG. fiur, G. feuer, Icel. f[=y]ri, f[=u]rr, Gr. py^r, and perh. to L. purus pure, E. pure Cf. {Empyrean}, {Pyre}.] 1. The evolution of light and heat in the… …   The Collaborative International Dictionary of English