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Assistant Design Engineer Interview Question:
Explain me what is heat treatment and why is it done?
Submitted by: MuhammadHeat treatment can be defined as a combination of processes or operations in which the heating and cooling of a metal or alloy is done in order to obtain desirable characteristics without changing the compositions. Some of the motives or purpose of heat treatment are as follows:
☛ > In order to improve the hardness of metals.
☛ > For the softening of the metal.
☛ > In order to improve the machinability of the metal.
☛ > To change the grain size.
☛ > To provide better resistance to heat, corrosion, wear etc.
Heat treatment is generally performed in the following ways:
☛ > Normalizing
☛ > Annealing
☛ > Spheroidising
☛ > Hardening
☛ > Tempering
☛ > Surface or case hardening
Submitted by: Muhammad
☛ > In order to improve the hardness of metals.
☛ > For the softening of the metal.
☛ > In order to improve the machinability of the metal.
☛ > To change the grain size.
☛ > To provide better resistance to heat, corrosion, wear etc.
Heat treatment is generally performed in the following ways:
☛ > Normalizing
☛ > Annealing
☛ > Spheroidising
☛ > Hardening
☛ > Tempering
☛ > Surface or case hardening
Submitted by: Muhammad
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