Heat Treatment of Duralumin (Classic Reprint)

Excerpt from Heat Treatment of Duralumin

With the purpose of ascertaining whether the heat treatment described by him actually developed the best mechanical proper ties possible for duralumin, the authors undertook a study of the effect of variation in heat treatment conditions, that is, quenching temperature, aging temperature, etc., upon these properties and, in connection with another investigation,' a study of the effect of chemical composition upon them.

E. Blough had already called the attention of one of the authors to the fact that the amount of hardening produced by heat treat ment was influenced quite markedly by the temperature from which the material was quenched, a most interesting fact which was not brought out by Wilm's published investigations, which mentioned merely the effect of aging after quenching from one temperature, in the neighborhood of 450° C.

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