devitrification

devitrification
The formation of small crystals in a glass as a result of slow cooling from the molten state

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  • Devitrification — is the opposite of vitrification, i.e., the process of crystallization in a formerly crystal free (amorphous) glass.[1] The term is derived from the Latin vitreus, meaning glassy and transparent.[2] Devitrification in glass art Devitrification… …   Wikipedia

  • dévitrification — [ devitrifikasjɔ̃ ] n. f. • 1803; de dévitrifier ♦ Techn. Action de dévitrifier; son résultat. ⊗ CONTR. Vitrification. ● dévitrification nom féminin Modification du verre sous l action prolongée de la chaleur, qui entraîne la cristallisation de… …   Encyclopédie Universelle

  • Devitrification — De*vit ri*fi*ca tion, n. The act or process of devitrifying, or the state of being devitrified. Specifically, the conversion of molten glassy matter into a stony mass by slow cooling, the result being the formation of crystallites, microbites,… …   The Collaborative International Dictionary of English

  • devitrification —  Devitrification  Расстекловывание   Процесс перехода стекла (некристаллическое или стекловидное твердое вещество) в кристаллическое твердое вещество. Для полимеров – переход из стеклообразного состояния в высокоэластическое …   Толковый англо-русский словарь по нанотехнологии. - М.

  • devitrification — GLOSSARY OF VOLCANIC TERMS The solid state transformation of volcanic glass into crystalline materials (AGI, 1976, p. 117). Devitrification tends to be more prevalent in densely welded tuffs, but may also occur in less densely welded or unwelded… …   Glossary of volcanic terms

  • devitrification — See devitrifiable. * * * ▪ crystallography       process by which glassy (glass) substances change their structure into that of crystalline solids. Most glasses are silicates (compounds of silicon, oxygen, and metals) in which the atomic… …   Universalium

  • dévitrification — (dé vi tri fi ka sion) s. f. Terme de chimie. Action de dévitrifier ; résultat de cette action. •   La dévitrification n est autre chose qu une cristallisation, FOURNET Acad. des sc. Comptes rendus, t. LIII, p. 180 …   Dictionnaire de la Langue Française d'Émile Littré

  • devitrification — devitrifikacija statusas T sritis chemija apibrėžtis Medžiagos stikliškosios būsenos virtimas kristaline. atitikmenys: angl. devitrification rus. девитрификация; расстеклование …   Chemijos terminų aiškinamasis žodynas

  • devitrification — (|)dē+ noun Etymology: French dévitrification, from dévitrifier : the action or process of devitrifying or state of being devitrified; specifically : the conversion of glassy matter into crystalline (as by slow cooling or by pressure, action of… …   Useful english dictionary

  • devitrification — noun see devitrify …   New Collegiate Dictionary

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