Metallurgy

Metallurgy

Metal works and production.

Contributors in Metallurgy

Metallurgy

Subjecting the scale-free surface of a ferrous alloy to the action of air, steam, or other agents at a suitable temperature, thus forming a thin blue film of oxide and improving the appearance and ...

Blue brittleness

Metals; Metallurgy

Brittleness exhibited by some steels after being heated to some temperature within the range of 300 (degrees) to 650 (degrees) F, and more especially if the steel is worked at the elevated ...

Blue annealing

Metals; Metallurgy

Heating hot rolled ferrous sheet in an open furnace to a temperature within the transformation range and then cooling in air, in order to soften the metal. The formation of a bluish oxide on the ...

Camera shutter steel

Metals; Metallurgy

Hardened, tempered and bright polished extra flat and extra precision rolled. Carbon content 1. 25 - Chromium. 15.

Burnishing

Metals; Metallurgy

Smoothing surfaces through friction between the material and material such as hardened metal media.

Burnt

Metals; Metallurgy

A definition applying to material which has been permanently damaged by over-heating.

Burning

Metals; Metallurgy

(1) Permanently damaging a metal or alloy by heating to cause either incipient melting or inter-granular oxidation. (2) In grinding getting the work hot enough to cause discoloration or to change the ...