There ware coarse-grained defects on the surface of 2014 material for commercial aircraft (material specification: L164/L165/L167) and 2B06OB material during the stretch forming: By making a lot of process tests, the causes of coarse grain are analyzed and found out, material properties are clear, and a final solution is proposed.%针对民机2014材料(材料规范L 164/L165/L167)、某型机2B06OB材料拉伸成形过程中出现的粗晶缺陷,进行了大量的工艺试验,分析并查找出粗晶产生的原因,摸清材料性能,并提出最终解决方案.
展开▼
