- martempering steel
- сталь, подвергнутая низкотемпературной термомеханической обработке
Большой англо-русский и русско-английский словарь. 2001.
martempering steel
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Martempering — is a heat treatment for steel involving austenitisation followed by step quenching, at a rate fast enough to avoid the formation of ferrite, pearlite or bainite to a temperature slightly above the martensite start (Ms) point. Soaking must be long … Wikipedia
steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying … Universalium
martempering — ˈmär+ˌ noun ( s) Etymology: martensite + tempering : the process of quenching steel from above the transformation temperature in a bath at about 350° F and then cooling to room temperature after the temperature has become nearly uniform with the… … Useful english dictionary
martempering — /mahr tem peuhr ing/, n. Metall. a quenching process used to harden austenitic steel. [1940 45; MAR(TENSITE) + TEMPER + ING1] * * * … Universalium
Carbon steel — Iron alloy phases Ferrite (α iron, δ iron) Austenite (γ iron) Pearlite (88% ferrite, 12% cementite) … Wikipedia
quenching — Rapid cooling, as by immersion in oil or water, of a metal object from the high temperature at which it is shaped. Quenching is usually done to maintain mechanical properties that would be lost with slow cooling. It is commonly applied to steel… … Universalium
isothermal transformation curve — also known as the time temperature transformation curve. If a small piece of steel is heated sufficiently slowly for it to become austenitic and then plunged into a salt bath and held at a constant temperature below the upper critical point for a … Mechanics glossary
Molten salt — Molten FLiBe (2LiF BeF2) Molten salt refers to a salt that is in the liquid phase that is normally a solid at standard temperature and pressure (STP). A salt which is normally liquid at STP is usually called a room temperature ionic liquid,… … Wikipedia
martensite — noun a) A solid solution of carbon in iron; the chief constituent of steel b) Any crystal structure formed by a martensitic transition See Also: martempering … Wiktionary
мартенситная закалка — 1. Упрочняющий технологический процесс, в котором находящийся в аустенитном состоянии материал на железной основе охлаждается в соответствующей среде при температуре чуть выше температуры начала мартенситного превращения, выдержке в среде, до… … Справочник технического переводчика
