Metallurgy

Metallurgy

Metal works and production.

Industry: Metals; Materials science

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Metallurgy

oil stain aluminum

Metals; Metallurgy

Stain produced by the incomplete burning of the lubricants on the surface of the sheet. Rolling subsequent to staining will change color from darker browns to lighter browns down to white.

notch sensitivity

Metals; Metallurgy

A measure of the reduction in strength of a metal caused by the presence of stress concentration. Values can be obtained from static, impact or fatigue tests.

nucleation

Metals; Metallurgy

Initiation of a phase transformation at discrete sites, the new phase growing from nuclei.

(1) The first structurally stable particle capable of initiating re-crystallization of a phase or the growth of a new phase, and separated form the matrix by an interface. (2) The heavy central core ...

notch brittleness

Metals; Metallurgy

A measure of the susceptibility of a material to brittle fracture at locations of stress concentration. For example, in a notch tensile test a material is said to be notch brittle if its notch ...

normalizing

Metals; Metallurgy

A heat treatment applied to steel, Involves heating above the critical range followed by cooling in still air. Is performed to refine the crystal structure and eliminate internal stress.