What is heat treatment

Question

Accepted Answer

Heat treatment is a process used to alter the physical and sometimes chemical properties of a material through controlled heating and cooling.

Heat treatment involves heating a material to a specific temperature, holding it at that temperature for a certain amount of time, and then cooling it at a controlled rate.
The purpose of heat treatment is to improve the material's hardness, strength, toughness, ductility, or other properties.
Common heat treatment processes include annealing, tempering, quenching, and case hardening.
Examples of heat-treated materials include steel, aluminum, and glass.
Heat treatment is widely used in industries such as automotive, aerospace, and manufacturing.

Popular interview questions of Thermal Engineer