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针对民机2014材料(材料规范L164/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。
A large number of technical tests were carried out on the civil machine 2014 material (Material Specification L164 / L165 / L167) and the coarse grain defects in the 2B06OB material forming process of a certain type of machine. The reason for the occurrence of coarse crystal was analyzed and found Material properties, and propose the final solution.