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Heat treatment
The heating and cooling of metals or alloys in the solid state for the purpose of obtaining certain desirable conditions or properties.
Industry: Metals
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Heat treatment
induction hardening
Metals; Heat treatment
A surface-hardening process in which only the surface layer of a ferrous metal is heated by electromagnetic induction and immediately quenched.
case hardening
Metals; Heat treatment
A term referring to a combination of heat treatments of steel involving processes that change the chemical composition of the surface layers by absorption of carbon, nitrogen, or a mixture of the ...
annealing
Metals; Heat treatment
A term that refers to softening metals by treating with sustained heat at the required temperature, followed by cooling at a controlled rate, while at the same time, producing desired results in ...
Rockwell hardness
Metals; Heat treatment
A test performed on a Rockwell hardness testing machine to determine hardness.
ferritic nitro carburizing
Metals; Heat treatment
Absorption of both nitrogen and carbon into the surface layer of a ferrous metal at temperatures below the lower critical temperature, to provide an anti-scuffing surface layer, and improve fatigue ...
carburizing
Metals; Heat treatment
Adding carbon to the surface of ferrous alloys to facilitate hardening by quenching directly from the carburizing temperature, or by cooling then reaustenitizing and quenching.
tempering
Metals; Heat treatment
Also know as drawing, this process involves reheating previously hardened or quenched steel to a temperature below the lower critical temperature, and followed by cooling. Tempering temperatures ...
