Materials science

Materials science

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

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Materials science > Metallurgy

open-hearth process

Metals; Metallurgy

Process of making steel by heating the metal in the hearth of a regenerative furnace. In the basic open-hearth steel process, the lining of the hearth is basic, usually magnesite; ...

open surface

Metals; Metallurgy

Rough surface on black plate, sheet or strip, resulting from imperfection in the original steel bars from which the plate was rolled.

open-hearth furnace

Metals; Metallurgy

A reverberatory melting furnace with a shallow hearth and a low roof. The flame passes over the charge in the hearth, causing the charge to be heated both by direct flame and ...

olsen test

Metals; Metallurgy

A method of measuring the ductility and drawing properties of strip or sheet metal which involves determination of the width and depth of impression. The test simulating a deep ...

number as pertaining to hardness

Metals; Metallurgy

In copper base alloys inductry; temper is referred to as so many numbers hard, i.e. Yellow Brass Half Hard is termed 2 numbers hard. This term is derived from terminology used on ...