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chao su xing cai liao dan xiang la shen shi kong dong chang da dui yan shen lv de ying xiang
Author(s): 
Pages: 27-34
Year: Issue:  3
Journal: Materials Science and Technology

Keyword:  孔洞长大单向拉伸应变集中实验结果模型长大速率超塑变形局部化应变速率本构关系;
Abstract: 本文在描述单向拉伸的应变集中现象的局部化塑性理论中结合了孔洞长大模型式和孔洞长大速率的变化模型式,首次提出一个能同时描述应变集中和孔洞长大的模型,此模型所予测的断裂应变与实验结果吻合较好,本文还对影响孔洞长大的有关参数进行了讨论。
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