Tempering | Heat Treatment, Hardening, Annealing | Britannica
https://www.britannica.com/technology/tempering-metallurgy
WebTempering, in metallurgy, process of improving the characteristics of a metal, especially steel, by heating it to a high temperature, though below the melting point, then cooling it, usually in air. The process has the effect of toughening by lessening brittleness and reducing internal stresses.
DA: 11 PA: 100 MOZ Rank: 26