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- Title
Substantiation of the Copper Concentration in Thermally Stable Wrought Aluminum Alloys Containing 2 wt % of Mn.
- Authors
Belov, N. A.; Korotkova, N. O.; Shurkin, P. K.; Aksenov, A. A.
- Abstract
The effect of the annealing temperature on the specific electrical resistance, hardness, and structure of Al–Cu–Mn alloys containing 2 wt % Mn and up to 3 wt % Cu in the as-cast and cold-rolled states has been studied using experimental and computational methods. It has been demonstrated that the best complex of mechanical properties is attained in the cold-rolled sheets containing 2–3 wt % Cu after annealing at 400°C due to the formation of more than 9 vol % of Al20Cu2Mn3 phase dispersoids with an average size of less than 100 nm in their structure. Such a structure provides higher thermal stability in comparison with 1201 grade alloy (of similar alloying system 0.32 Mn, 5.86 Cu, 0.07 Fe, 0.08 Si, 0.08 Zr wt %) hardened by quenching and aging.
- Publication
Physics of Metals & Metallography, 2020, Vol 121, Issue 12, p1211
- ISSN
0031-918X
- Publication type
Article
- DOI
10.1134/S0031918X20120030