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Materials science

The the study of matter and their applications in various areas of science and engineering.

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Materials science > Metallurgy

progressive aging

Metals; Metallurgy

An aging process in which the temperature of the alloy is continuously increased during the aging cycle. The temperature may be increased in steps or by any other progressive ...

proeutectoid

Metals; Metallurgy

Particles of a phase that precipitate during cooling after austenitizing but before the eutectoid transformation takes place.

primary crystal

Metals; Metallurgy

The first type of crystal that separates from a melt during solidification.

primes

Metals; Metallurgy

Metal products, such as sheet and plate, of the highest quality and free from visible surface defects.

process annealing

Metals; Metallurgy

In the sheet and wire industries, a process by which a ferrous alloy is heated to a temperature close to, but below, the lower limit of the transformation range and is ...

press forging

Metals; Metallurgy

Forging metal, usually hot, between dies in a press.

preheating

Metals; Metallurgy

Heating before some further thermal or mechanical treatment. For tool steel, heating to an intermediate temperature immediately before austenitizing. For some nonferrous alloys, ...