Heat treatment quiz - what is heat treatment Heat treatment is the controlled heating and cooling of metals to alter their physical and mechanical

Heat treatment quiz - what is heat treatment Heat treatment...

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what is heat treatment? Heat treatment is the controlled heating and cooling of metals to alter their physical and mechanical properties without changing the product shape. mention the general steps in heat treatment process 3 basic steps Heat metal to specific temperature hold metal at that temperature for a specific amount of time Cool metal in specific manner mention the applications of heat treatment Softening hardening Material modification explain the following processes and mention the applications: quenching Rapid cooling usually by water bath. makes steel harder annealing Heated then cooled to room temperature inside the oven. normalizing Heated then cooled to room temperature in the air tempering
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Unformatted text preview: Heated then quenched in water bath, then re heated to specific temperature and held for specific time. then cooled to room temperature what are three of the constituents that make up a microstructure composition, grain, phase concepts true false all steels need to be heated to the same temp for heat treatment irrespective of its compostition F tempering is a combination of quenching and nomalizing T quenching can use either water or oil as cooling media T annealing is very inexpensive process F cutting tool steels have low carbon percentage F annealing produces a martensitic structure F pearlite is a product of air cooling after heating to a specific temp T...
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  • Heat, room temperature, Austenite, Air Cooling

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