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本文在综览有关文献的基础上阐明了超塑性变形时空洞与断裂的机理及其对材料的危害,同时还提出了抑制空洞与断裂的方法。
Based on the review of the literature, the paper expounds the mechanism of the cavitation and fracture in superplastic deformation and its damage to the material, meanwhile, it also puts forward the method to restrain the cavity and the fracture.