The term heat treatment is used to describe a process involving controlled
heating and cooling of a material in order to change its microstructure and
properties. Vital factors in determining the outcome of heat treatment are the
temperature to which the material is heated and the rate at which it is cooled
back to room temperature. The following is
a
brief overview of the various heat
treatment processes.
1 Full
annealing
- heating to produce a fully austenitic structure followed
by furnace cooling.
2 Normalizing - heating to produce a fully austenitic structure followed by
air cooling.
3 Subcritical ...
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