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Showing results for austenite.

austenite

American  
[aw-stuh-nahyt] / ˈɔ stəˌnaɪt /

noun

Metallurgy.
  1. a solid solution of carbon or of carbon and other elements in gamma iron, having a face-centered cubic lattice at all temperatures.

  2. an allotrope of iron, stable between 910°C and 1400°C and having a face-centered cubic lattice; gamma iron.


austenite British  
/ ˌɔːstəˈnɪtɪk, ˈɔːstəˌnaɪt /

noun

  1. a solid solution of carbon in face-centred-cubic gamma iron, usually existing above 723°C

  2. the gamma phase of iron, stabilized at low temperatures by the addition of such elements as nickel

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of austenite

1900–05; named after Sir W. C. Roberts- Austen (1843–1902), English metallurgist; see -ite 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

If a piece of steel could be cooled instantly, doubtless austenite could be preserved and examined.

From The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel by Colvin, Fred H. (Fred Herbert)

Higher percentages of nickel change the martensitic structure to austenite, the steel then being non-magnetic.

From The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel by Colvin, Fred H. (Fred Herbert)

It represents the complete transformation of the eutectoid austenite accomplished by slow-cooling of an iron-carbon alloy through the transformation range.

From The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel by Colvin, Fred H. (Fred Herbert)

The size of the final grains will be much smaller and hence a more uniform structure will result if the "mother" austenite was also fine grained.

From The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel by Colvin, Fred H. (Fred Herbert)

Chromium steels are therefore capable of great hardness, due to the rapid cooling being able to retard the decomposition of the austenite.

From The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel by Colvin, Fred H. (Fred Herbert)

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