marten-site

martensite

[mahr-tn-zahyt]
noun Metallurgy.
a metastable microconstituent of any of various forms of carbon steel, produced by undercooling sufficiently below the normal transformation temperature, especially a hard, brittle product of the decomposition of austenite, produced in this way.

Origin:
1895–1900; named after Adolf Martens (died 1914), German metallurgist; see -ite1

martensitic [mahr-tn-zit-ik] , adjective
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martensite (ˈmɑːtɪnˌzaɪt)
 
n
a constituent formed in steels by rapid quenching, consisting of a supersaturated solid solution of carbon in iron. It is formed by the breakdown of austenite when the rate of cooling is large enough to prevent pearlite forming
 
[C20: named after Adolf Martens (died 1914), German metallurgist]
 
martensitic
 
adj

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