Martensite
A structure resulting from transformation of austenite at temperature considerably below the usual range, achieved by rapid cooling. It is made up of ultra-hard, needlelike crystals that are a supersaturated solid solution of carbon in iron.
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Martensite
Martensite
Diffusionless transformation
Cementite
Tetragonal crystal system
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Quenching and Martensite

Twins and Martensite

MARTENSITE

Martensite Formation and Hardening of Steel

Martensitic Transformations, Part I
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Quenching and Martensite
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Twins and Martensite
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MARTENSITE
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Martensite Formation and Hardening of Steel
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Martensitic Transformations, Part I