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- Title
Strengthening Mechanisms in Solid Solution Aluminum Alloys.
- Authors
Ryen, Øyvind; Nijs, Oscar; Sjölander, Emma; Holmedal, Bjørn; Ekström, Hans-Erik; Nes, Erik
- Abstract
A number of commercial and high-purity non-heat-treatable aluminum alloys are investigated in this work. It is found that both magnesium and manganese in solid solution give a nearly linear concentration dependence of the strength at a given strain for commercial alloys. This deviates from high-purity AIMg binary alloys, where a parabolic concentration dependence is found. Mn in solid solution is (band to give a considerably higher strengthening effect per atom than Mg, both in terms of yield stress and initial work hardening rate. This strengthening effect is stronger comparing commercial grades to high-purity alloys. This enhanced strengthening is believed to be a synergy or clustering effect caused by interaction between Mn atoms and trace elements, probably silicon, in solid solution.
- Subjects
ALUMINUM; ALLOYS; MAGNESIUM; MANGANESE; SOLID solutions
- Publication
Metallurgical & Materials Transactions. Part A, 2006, Vol 37, Issue 6, p1999
- ISSN
1073-5623
- Publication type
Article
- DOI
10.1007/s11661-006-0142-7