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.

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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

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Other Word Forms

• austenitic adjective

Etymology

Origin of austenite

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