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dan zhou la shen de zhen ying li zhen ying bian ji ying hua gui lv
Author(s): 
Pages: 50-54
Year: Issue:  3
Journal: Research on Iron and Steel

Keyword:  真应力真应变单轴拉伸硬化规律硬化指数引伸计均匀塑性变形拉伸试样变形阶段缩颈;
Abstract: <正> 一、前言金属在单轴拉伸下的变形及硬化情况,对于金属疲劳和断裂的研究以及塑性变形工艺都有密切的关系。近年对均匀变形阶段的真应力,真应变及硬化情况作了大量的工作,而且一般都能得到可靠的结果。但对缩颈后的真应力,真应变及硬化情况,由于试验条件所限,研究尚少。二、试验和分析根据我所的设备条件,我们是在 INSTREN1251万能试验机上,利用横向引伸
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