Effects of low-temperature deformation on recovery phenomena of aluminium
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概要
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Measurements of decreases in electric resistance of polycrystalline commercial aluminium and superpure aluminium annealed at various temperatures after deformation at liquid-nitrogen temperature reveal that some form of recovery occurs. The apparent activation energies for these recovery processes are 0.55ev for -80--50°C in commercial and superpure aluminium, 0.75ev for -50-0°C in commercial aluminium and for -50--25°C in superpure aluminium, and 0.4ev for -25-0°C in superpure aluminium. The activation energies are discussed in comparison with the recovery processes of copper.Measurements of X-ray patterns of polycrystalline commercial aluminium annealed at recrystallization temperature after prior deformation at liquid-nitrogen temperature reveal that there are much more subgrains and finer recrystallized grains than that annealed at recrystallization temperature after prior deformation at room temperature.
- 一般社団法人 軽金属学会の論文
一般社団法人 軽金属学会 | 論文
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