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name and describe structure what occur after hardening

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Mechanical Engineering

name and describe structure what occur afterhardening

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3.7 Ratings (500 Votes)

AFTER hardening proceess of carbon steels strucutre obtained is martensite.

this is the hardest and toughest structure than pearlite, bainite and spherodite. in this process steel is being heated above the upper critical temperature (723 degree centigrade) and then cooling is being done at very faster rate (greater than critical cooling rate)
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