温度和应变速率半固态Alsi7Mg合金变形性的影响

1.装甲兵工程学院,北京,100072

2.装甲兵工程学院,北京,100072

3.装甲兵工程学院,北京,100072

4.装甲兵工程学院,北京,100072

Effects of Temperature and Strain Rate on the Deformation Behaviors of Semi-solid AlSi7Mg Alloy

采用Gleeble-1500热模拟试验机研究了温度和应变速率对半固态AlSi7Mg合金变形性的影响.从中得知,半固态合金的压缩流动应力不仅是变形温度的函数,而且是应变速率的函数,变形温度和应变速率决定了半固态压缩变形的特征.

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