Metallurgy

Metallurgy

Metal works and production.

Industry: Metals; Materials science

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Metallurgy

earing

Metals; Metallurgy

The formation of scallops (ears) around the top edge of a drawn part caused by differences in the directional properties of the sheet metal used.

The trade name applied to the first aluminum-copper-magnesium type of age-hardenable alloy (17S), which contains nominally 4% Cu, 1/2% Mg. The term is sometimes used to include the class of wrought ...

eddy-current testing

Metals; Metallurgy

Nondestructive testing method in which eddy-current flow is induced in the test object. Changes in the flow caused by variations in the object are reflected into a nearby coil or coils for subsequent ...

ductility

Metals; Metallurgy

The ability of a material to deform plastically without fracturing, being measured by elongation or reduction of area in a tensile test, by height of cupping in an Erichsen test or by other means.

drop hammer

Metals; Metallurgy

A forging hammer than depends on gravity for its force.

dry rolled finish

Metals; Metallurgy

Finish obtained by cold rolling on polished rolls without the use of any coolant or metal lubricant, of material previously plain pickled, giving a burnished appearance.