Residual stress induced tension-compression asymmetry of gradient nanograined copper

Jianzhou Long; Qingsong Pan; Nairong Tao; Lei Lu

doi:10.1080/21663831.2018.1478898

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Residual stress induced tension-compression asymmetry of gradient nanograined copper

Original Report | 更新时间：2026-08-19

- Residual stress induced tension-compression asymmetry of gradient nanograined copper
- Residual stress induced tension-compression asymmetry of gradient nanograined copper
- 材料研究快报（英文） 2018年6卷第8期页码：456-461
- 作者机构：
  
  1. Shenyang National Laboratory for Materials Science Institute of Metal Research Chinese Academy of Sciences Shenyang People’s Republic of China
  2. University of Chinese Academy of Sciences
  3. Shenyang National Laboratory for Materials Science Institute of Metal Research Chinese Academy of Sciences
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2018.1478898
  中图分类号：
- 网络首发：2018-06-18，
  
  纸质出版：2018
- 稿件说明：
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Jianzhou Long, Qingsong Pan, Nairong Tao, 等. Residual stress induced tension-compression asymmetry of gradient nanograined copper[J]. 材料研究快报（英文）, 2018,6(8):456-461.

Jianzhou Long, Qingsong Pan, Nairong Tao, et al. Residual stress induced tension-compression asymmetry of gradient nanograined copper[J]. Materials Research Letters, 2018, 6(8): 456-461.
Jianzhou Long, Qingsong Pan, Nairong Tao, 等. Residual stress induced tension-compression asymmetry of gradient nanograined copper[J]. 材料研究快报（英文）, 2018,6(8):456-461. DOI： 10.1080/21663831.2018.1478898.

Jianzhou Long, Qingsong Pan, Nairong Tao, et al. Residual stress induced tension-compression asymmetry of gradient nanograined copper[J]. Materials Research Letters, 2018, 6(8): 456-461. DOI： 10.1080/21663831.2018.1478898.

摘要

Abstract

BSTRACTThe residual stress significantly influences the cyclic stress response of the hierarchical nanostructured materials. An obvious tension-compression asymmetry with minimum stress in compression larger than maximum stress in tension was observed in gradient nanograined (GNG) Cu under strain-controlled high-cycle fatigue tests

which gradually diminished with increasing cycles or after being annealed at a low temperature. The observed asymmetric response is primarily induced by the presence of the residual compressive stress in the GNG surface layer. The longer fatigue life can be achieved in GNG Cu with a higher residual stress

compared to that of annealed GNG Cu.

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State Key Laboratory of Nonlinear Mechanics Institute of Mechanics Chinese Academy of Sciences

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State Key Laboratory of Nonlinear Mechanics Institute of Mechanics Chinese Academy of Sciences Beijing People’s Republic of China

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