________structure has maximum hardness.
Troostile
Pearlite
Martensite
Sorbite
Martensite
●Martensite
is formed in carbon steel by the rapid cooling of the austenite form of iron at
such a high rate that carbon atoms do not have time to diffuse out of crystal
structure in large enough quantities to form cementite.
●Martensite formation is shown in TTT diagram
Hence,
the correct option is (C).
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