时效路径对Al-0.7Mg-0.5Si-0.2Cu-0.5Zn合金沉淀析出行为的影响
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朱亮 1, 郭明星 1,2( ), 袁波 1, 庄林忠 1,2, 张济山 1,2
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Effect of Ageing Routes on Precipitation Behaviors of Al-0.7Mg-0.5Si-0.2Cu-0.5Zn Alloy
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ZHU Liang 1, GUO Mingxing 1,2( ), YUAN Bo 1, ZHUANG Linzhong 1,2, ZHANG Jishan 1,2
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图2. Al-0.7Mg-0.5Si-0.2Cu-0.5Zn合金固溶淬火态及预时效态β″相的激活能计算过程图
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Fig.2. The determination of active energy for β″ phase precipitation of Al-0.7Mg-0.5Si-0.2Cu-0.5Zn alloys in the as-quenched and pre-aged conditions (Y—volume fraction, T—temperature, t—ageing time, —heating rate, f(Y)—implicit function of Y) (a) Y-T curves (b) lnln(1/(1-Y))-lnt curves (c) ln[(dY/dT)/f(Y)]-1/T curves
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