Effect of homogenization conditions on recrystallized structure in Al-Zn-Mg-Cu alloys containing chromium.
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The effect of homogenization conditions on the recrystallization during solution-treatment has been studied on hot-rolled Al-5.6%Zn-2.5%Mg-1.6%Cu- (0.12-0.27) %Cr alloys. The condition of obtaining a marked inhibition of recrystallization was not always consistent with that of obtaining the fine and dense distribution of E phases inside the dendritic cell. It was suggested that the absence of PFZ in the area adjacent to the cell boundaries, together with the fine and dense distribution of E phase, was of great importance for suppression of recrystallization during solution-treatment. Recrystallization was most suppressed, when the ingot was held at 200-300°C for a prolonged time in the course of heating to the homogenization 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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