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chang yong li xue xing neng de fu hao ji ming cheng
Pages: 48
Year: Issue:  1
Journal: Heat Treatment of Metals

Keyword:  下屈服强度 上屈服强度 应力点 抗拉强度 初始瞬时效应 金属材料 塑性变形 屈服现象 符号 力学性能;
Abstract: <正>抗拉强度Rm—相应最大力Fm的应力。屈服强度:当金属材料呈现屈服现象时,在试验期间达到塑性变形发生而力不增加的应力点,分为上屈服强度和下屈服强度。上屈服强度ReH:试样发生屈服而力首次下降前的最高应力。下屈服强度ReL:在屈服期间,不计初始瞬时效应时的最低应力。
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