austenitic transformation


austenitic transformation
превращение n аустенитное

Metallurgy dictionary. 2015.

Смотреть что такое "austenitic transformation" в других словарях:

  • 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

  • bainite — an austenitic transformation product found in some steels and cast irons; it forms at temperatures between those at which pearlite and martensite transformations occur; the microstructure consists of alpha ferrite and a fine dispersion of… …   Mechanics glossary

  • 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

  • Shape-memory alloy — A shape memory alloy (SMA, smart metal, memory metal, memory alloy, muscle wire, smart alloy) is an alloy that remembers its original, cold forged shape: returning the pre deformed shape by heating. This material is a lightweight, solid state… …   Wikipedia

  • Steel — For other uses, see Steel (disambiguation). The steel cable of a colliery winding tower …   Wikipedia

  • Austenite — (or gamma phase iron) is a metallic non magnetic solid solution of iron and an alloying element. In plain carbon steel, austenite exists above the critical eutectoid temperature of 1000 K (about 727 °C); other alloys of steel have different… …   Wikipedia

  • Shape memory alloy — A shape memory alloy (SMA, also known as a smart alloy, memory metal, or muscle wire) is an alloy that remembers its shape, and can be returned to that shape after being deformed, by applying heat to the alloy. When the shape memory effect is… …   Wikipedia

  • Nickel titanium — Nickel titanium, also known as nitinol, is a metal alloy of nickel and titanium, where the two elements are present in roughly equal atomic percentages. Nitinol alloys exhibit two closely related and unique properties: shape memory and… …   Wikipedia

  • Restaustenit — ist eine bei der konventionellen Stahlvergütung meist unerwünschte Phase im Stahl oder Gusseisen. Sie ist relativ instabil und wandelt sich durch Temperaturerhöhung in Ferrit und Zementit, und bei Temperatursenkung sowie durch mechanische… …   Deutsch Wikipedia

  • Cryogenic hardening — is a cryogenic heat treating process where the material is cooled to approximately −185 °C (−301 °F), usually using liquid nitrogen. It can have a profound effect on the mechanical properties of certain steels, provided their composition and …   Wikipedia

  • Pseudoelasticity — Pseudoelasticity, or sometimes called superelasticity, is an elastic (impermanent) response to relatively high stress caused by a phase transformation between the austenitic and martensitic phases of a crystal. It is exhibited in Shape memory… …   Wikipedia


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