【摘要】 在Gleeble-1500热模拟实验机上对7050铝合金试样在变形温度为250℃～450℃,应变速率为0.01～10s^-1,变形程度为50%、60%和70%的条件下进行等温压缩实验。利用透射电镜（TEM）分析了合金在不同变形参数条件下的微观组织特征。更多还原

【Abstract】 Isothermal compression experiments of 7050A1 alloy specimens were carried out on Gleeble-1500 thermal simulator under the conditions of the temperature range of 250℃～450℃,strain rate range of 0.01s^-1～10s^-1,and deformation range of 50%,60% and 70%.Microstructure of the alloy under various deformation parameters was analyzed using transmission electronic microscope（TEM）.更多还原