中文摘要：

猛抛在通常处理了(老化跟随的答案处理) AZ80 合金粗糙、细胞、支离破碎。他们在矩阵的基础飞机上起核心作用并且成长或在合金不连续地散布。他们的唯一的形态学和不希望得到的分发为加强的降水使他们无效。然而，这个条件能被使用选择变丑和热处理条件修改。形态学和分发上的变丑和热处理的效果猛抛被学习了。变丑被热挤出，滚动的寒冷，或相等的隧道介绍尖紧迫(ECAP ) 。微观结构用扫描电子显微镜学，传播电子显微镜学，和 X 光检查衍射被描绘。结果证明那冷变丑比热变丑更显著地改进了降水，并且 twinning 比滑倒更有效地支持了降水。当 ECAP 被使用时，更导致的 Bc 线路比 A 线路猛抛。

英文摘要：

Precipitates in the conventionally processed （solution treatment followed by aging） AZ80 alloy are coarse, cellular, and incoherent. They nucleate and grow on the basal planes of the matrix or distribute discontinuously in the alloy. Their unique morphology and undesired distribution make them ineffective for precipitation strengthening. This condition, however, can be modified by applying selected deforma-tion and heat treatment conditions. The effect of deformation and heat treatment on the morphology and distribution of precipitates has been studied. Deformation was introduced by hot extrusion, cold rolling, or equal channel angular pressing （ECAP）. The microstructures were characterized using scanning electron microscopy, transmission electron microscopy, and X-ray diffraction. The results showed that cold de-formation improved precipitation more significantly than hot deformation, and twinning promoted precipitation more effectively than slip. When ECAP was applied, the Bc-route induced more precipitates than the A-route.