| 多晶体循环应力—应变曲线的理论模拟 |
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| 引用本文： | 孙守光,李强,吴世丁,孙立志. 多晶体循环应力—应变曲线的理论模拟[J]. 北京交通大学学报(自然科学版), 1996, 0(2) |
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| 作者姓名： | 孙守光 李强 吴世丁 孙立志 |
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| 作者单位： | 北方交通大学机械工程系，中国科学院金属研究所材料疲劳与断裂国家重点实验室 |
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| 摘 要： | 采用ＫＢＷ自洽理论和以前提出的单晶硬化律，对铜多晶体的循环应力－应变曲线进行了理论模拟，其范围包括高周疲劳阶段和低周疲劳阶段。结果与有关实验定量相符。理论模拟还证实了多晶体循环应力－应变曲线没有平台区
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| 关 键 词： | 多晶体，循环硬化，循环饱和 |
Theoretical Predictions of Cyclic Stress-Strain Response of Polycrystalline Copper |
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| Sun Shouguang, Li Qiang. Theoretical Predictions of Cyclic Stress-Strain Response of Polycrystalline Copper[J]. JOURNAL OF BEIJING JIAOTONG UNIVERSITY, 1996, 0(2) |
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| Authors: | Sun Shouguang Li Qiang |
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| Abstract: | With the KBW self-consistent model and the single crystal hardening law, previously proposed by Sun and Hwang, the cyclic stress-strain response of polycrystalline copper over both high and low-cycle fatigue ranges has been obtained. The predictions are in quantitative agreement with the corresponding experiments. In addition, the theoretical modelling confirms that the cyclic stress-strain curve of polycrystalline copper has no plateau. |
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| Keywords: | s: polycrystal cyclic hardening cyclic saturation |
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