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Zhurnal Tekhnicheskoi Fiziki, 2015, Volume 85, Issue 8, Pages 63–66
(Mi jtf7852)
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This article is cited in 4 scientific papers (total in 4 papers)
Solids
Effect of low-temperature annealing on the creep of 1570 aluminum alloy
V. N. Pereverzentsevab, M. Yu. Shcherbanb, T. A. Grachevab, T. A. Kuz'michevab a Mechanical Engineering Research Institute of RAS, Nizhny Novgorod
b Lobachevsky State University of Nizhny Novgorod
Abstract:
The effect of preliminary low-temperature annealing on the creep of a submicrocrystalline 1570 aluminum alloy fabricated by severe plastic deformation is studied. The creep rate is found to increase with the annealing time, but long-term annealing for 4 h decreases the creep rate to the value characteristic of the alloy not subjected to preliminary annealing. The increase in the creep rate of the alloy subjected to preliminary annealing is likely to be caused by an increase in the nonequilibrium excess volume in grain boundaries as a result of the dissolution of grain-boundary nanopores upon annealing and, hence, by an increase in the grain-boundary diffusion rate and the grain-boundary sliding rate.
Received: 04.12.2014
Citation:
V. N. Pereverzentsev, M. Yu. Shcherban, T. A. Gracheva, T. A. Kuz'micheva, “Effect of low-temperature annealing on the creep of 1570 aluminum alloy”, Zhurnal Tekhnicheskoi Fiziki, 85:8 (2015), 63–66; Tech. Phys., 60:8 (2015), 1167–1170
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https://www.mathnet.ru/eng/jtf7852 https://www.mathnet.ru/eng/jtf/v85/i8/p63
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