WHAT IS DIFFERENCE BETWEEN ANNEALING,TEMPERING AND
NORMALIZING
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Answer Posted / vignesh
ANNEALING - heating the material and cooling in furnace/air
to impart ductility,relieve stress,
TEMPERING - reheating below critical temperature after
quenching to increase ductility.
NORMALIZING- heating to achieve even grain structure.remove
effects of previous heat treatment
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