10 Terms
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Metallurgy
Metal works and production.
Industry: Metals; Materials science
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Metallurgy
Martempering
Materials science; Metallurgy
Martempering involve heating the steal to the austenitizing temperature, followed by quenching in a constant temperature bath maintained above Ms point and the usual temperature of bath lies between ...
Process Annealing
Materials science; Metallurgy
In this treatment,steel is heated to a temperature below the lower critical temperature,and is held at this temperature for sufficient time and then cooled.
Spheroidizing
Materials science; Metallurgy
Spheroidizing is a heat treatment process which results in a structure consisting of globules or spheroids of carbide in matrix of ferrite.
Normalizing
Materials science; Metallurgy
Normalizing is a process of heating steel to about 40 to 50 degree above upper critical temperature,holding for proper time,and then cooling in still air or at room temperature.
Hardening
Materials science; Metallurgy
Hardening treatment consists of heating to hardening temperature,holding at that temperature followed by rapid cooling such as quenching in water,oil or salt baths.
Tempering
Materials science; Metallurgy
A process,which consists of heating hardened steel below the lower critical temperature,followed by cooling in air or at any desired rate,is known as tempering.
Quenchants
Materials science; Metallurgy
A medium that is used for quenching is known as quenchants.The most commonly quenchants are water,oil,salts,air,gases and aqueous solutions.
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