22. Which of following statement is wrong
(1 Point)
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Martensite is super saturated solid solution of carbon trapped in bcc structure
Carbon trapped in a BCT structure
Martensite microstructure looks needle like
acicular structure
Under high cooling rate during hardening
process, Fe atom find sufficient time to
become BCC from FCC
Water is one of the most efficient quenching
media used when maximum hardness is
required
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Answer:
Martensite is a very hard form of steel
crystalline structure. It is named after German metallurgist Adolf Martens. By analogy the term can also refer to any crystal structure that is formed by diffusionless transformation.
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