5. Precipitation sequences for hardening aluminum alloys

Note :

The reader is referred to the article on geometric crystallography [A 1 305] in the treatise Sciences fondamentales.

Table 1 summarizes the designations, structural features, morphologies and orientation relationships with the matrix for GP zones, metastable transition precipitates and equilibrium precipitates, in order of appearance in solid solution after tempering at increasing time and/or temperature. The chemical composition and crystallographic pattern of many...

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Precipitation sequences for hardening aluminum alloys

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page Precipitation mechanisms

Physical mechanisms of precipitation hardening

References

(1) - WILM (A.) - Recherches sur la métallurgie physique des alliages aluminium-magnésium. - Métallurgie 8, p. 225-7 (1911).
(2) - MERICA (P.D.), WATTENBURG (R.G.), SCOTT (R.) - Heat Treatment of Duralumin. - Sci. Paper US Bureau of Standards, 15, p. 271 (1919)....