Heat treating is a group of industrial and metalworking processes used to alter the physical, and sometimes chemical, properties of a material. The most common application is metallurgical. Heat treatments are also used in the manufacture of many other materials, such as glass.
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What is purpose of heat treatment?
Heat treatment process effect on material structure and grains. Most carbon steels and carbon alloy steels can be heat treated for the purpose of improving mechanical properties such as tensile and yield strength. This is accomplished due to the heat treatment fundamentally altering the microstructure of the steel
What is hardening heat treatment?
Hardening. Hardening involves heating of steel, keeping it at an appropriate temperature until all pearlite is transformed into austenite, and then quenching it rapidly in water or oil.
What are the three stages of heat treatment?
There are five basic heat treating processes: hardening, case hardening, annealing, normalizing, and tempering. Although each of these processes bring about different results in metal, all of them involve three basic steps: heating, soaking, and cooling. Heating is the first step in a heat-treating process.
What is soaking in heat treatment process?
In Annealing Steel is heated to predetermined temperature and Soak at this temperature for sufficient time to get homogeneous structure and then followed by cooling at very slow rate. practically it is cooled in furnace . What is heat treatment?