austenite
Americannoun
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a solid solution of carbon or of carbon and other elements in gamma iron, having a face-centered cubic lattice at all temperatures.
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an allotrope of iron, stable between 910°C and 1400°C and having a face-centered cubic lattice; gamma iron.
noun
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a solid solution of carbon in face-centred-cubic gamma iron, usually existing above 723°C
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the gamma phase of iron, stabilized at low temperatures by the addition of such elements as nickel
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.
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)
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)
It may be said immediately that above the upper critical the carbon exists in the iron as a "solid solution," called "austenite" by metallographers.
From The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel by Colvin, Fred H. (Fred Herbert)
Therefore this steel has to be heated and very rapidly cooled to obtain the ductile austenite structure.
From The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel by Colvin, Fred H. (Fred Herbert)
He is then able to pick out its component minerals, ferrite, austenite, martensite, pearlite, graphite, cementite, and to show how their abundance, shape and arrangement contribute to the strength or weakness of the specimen.
From Creative Chemistry Descriptive of Recent Achievements in the Chemical Industries by Slosson, Edwin E.
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
