The fatigue limits of copper single crystals cyclically deformed at constant plastic strain amplitudes
The fatigue limits of copper single crystals cyclically deformed at constant plastic strain amplitudes
复制标题
恒定塑性应变幅值下循环变形铜单晶的疲劳极限
DOI：
10.1080/09500830110055364
复制
发表时间：
2001
影响因子：
1.2
通讯作者：
S. Li
中科院分区：
文献类型：
--
作者：
X. Li;Y. Umakoshi;Z. G. Wang;S. Li
Based on systematic surface observations, experimental measurements on the fatigue limits of differently oriented copper single crystals cyclically deformed at constant plastic strain amplitudes are summarized, and an orientation dependence of the fatigue limit is sketched. It was found that the fatigue limits of crystals depend mainly upon the low-strain-amplitude dislocation structures, which are characteristic of the particular crystal orientations. When multiple-slip deformation is the main mode of deformation and ultimately produces stable lowenergy dislocation structures such as labyrinth and cell structures, the fatigue limit can be improved notably.
