martensite

[mahr-tn-zahyt]

mar·tens·ite

[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

mar·ten·sit·ic [mahr-tn-zit-ik] , adjective
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Martensite is always a great word to know.
So is newton's first law of motion. Does it mean:
says body remains at rest or in motion with constant velocity unless acted upon by external force
Collins
World English Dictionary
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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