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chao xi jing li gang han jie jie tou re ying xiang qu de duan lie ping ding yan jiu
Author(s): 
Pages: 6-7
Year: Issue:  1
Journal: WELDING TECHNOLOGY

Keyword:  超细晶粒钢焊接接头全面屈服韧带屈服断裂评定;
Abstract: 对超细晶粒钢进行宽板抗拉试验,直接评定和研究了超细晶粒钢焊接接头的断裂行为。采用全面屈服准则确定了母材及热影响区的临界裂纹尺寸。试验结果表明虽然焊接热作用使试件热影响区的晶粒长大,但其抗断性能并没有恶化。
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