The deformation behaviors and evolution behaviors of the microstructure for the new 7055 aluminum alloy at high temperatures have been investigated by isothermal compression testing method with gleeble - 1500 thermal simulator 本文利用gleeble - 1500热力模拟试验机,采用高温等温压缩试验方法,对7055新型超硬铝合金的高温塑性变形流变应力行为及组织演变行为进行了研究。