Austempering

اصطلاح مرجح

1. Austempering is a heat treating process for medium-to-high carbon ferrous metals which produces a metallurgical structure called bainite. It is used to increase strength, toughness, and reduce distortion. Parts are heated to the hardening temperature, then cooled rapidly enough to a temperature above the martensite start (Ms) temperature and held for a time sufficient to produce the desired bainite microstructure. (https://www.bodycote.com). 2. Austempering is heat treatment that is applied to ferrous metals, most notably steel and ductile iron. In steel it produces a bainite microstructure whereas in cast irons it produces a structure of acicular ferrite and high carbon, stabilized austenite known as ausferrite. It is primarily used to improve mechanical properties or reduce / eliminate distortion. (Wikipedia). 3. ‘Austempering’ is the process of heat treatment where the steel is heated to austenitizing temperature, held there for sufficient period of time to produce homogeneous austenite. (Science direct, Comprehensive Materials Finishing Volume 2, 2017, Pages 1-49)

https://purls.helmholtz-metadaten.de/skosmos/sdv/Austempering

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