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介绍了一种新的超塑性处理工艺．采用简单的预处理工艺结合升温拉伸，可以使合金获得优异的超塑性．轧制形变组织在拉伸过程中发生动态再结晶，形成细晶组织并赋予合金优异的超塑性
A new superplasticity treatment process is introduced. Using a simple pretreatment process combined with elevated temperature, the alloy can achieve excellent superplasticity. Rolling deformation of the dynamic tension during the process of recrystallization, the formation of fine-grained microstructure and alloys to give excellent superplasticity