Effects of residual stress on the mechanical properties of copper processed using ultrasonic-nanocrystalline surface modification

Ji Hyun Moon; Seung Mi Baek; Seok Gyu Lee; Yujin Seong; Auezhan Amanov; Sunghak Lee; Hyoung Seop Kim

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Effects of residual stress on the mechanical properties of copper processed using ultrasonic-nanocrystalline surface modification

机译：残余应力对超声-纳米晶表面改性处理铜机械性能的影响

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Effects of surface grain refinement and residual stress on the local and global properties of pure Cu processed using ultrasonic nanocrystalline surface modification (UNSM) was investigated. To distinguish each contribution to the local hardness and global tensile properties of the UNSM treated Cu, a stress-relief specimen of the same microstructure as the UNSM treated one was produced by low-temperature annealing after the UNSM treatment. The distinct contributions of residual stress and surface grain refinement to the tensile property of UNSM treated Cu were determined and discussed.

机译：研究了表面晶粒细化和残余应力对使用超声纳米晶表面改性（UNSM）处理的纯铜的局部和整体性能的影响。为了区分对经UNSM处理的Cu的局部硬度和整体拉伸性能的每个贡献，在UNSM处理后，通过低温退火生产了与UNSM处理的Cu具有相同显微组织的应力释放试样。确定并讨论了残余应力和表面晶粒细化对经UNSM处理的Cu的拉伸性能的不同贡献。

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《Materials Research Letters》 |2019年第3期|共6页
作者
Ji Hyun Moon; Seung Mi Baek; Seok Gyu Lee; Yujin Seong; Auezhan Amanov; Sunghak Lee; Hyoung Seop Kim;
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中图分类一般工业技术;
关键词
Surface severe plastic deformationultrasonic nanocrystalline surface modificationresidual stressmicrostructuretensile property;

机译：表面严重塑性变形超声纳米晶表面改性残余应力显微组织拉伸性能;

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Effects of residual stress on the mechanical properties of copper processed using ultrasonic-nanocrystalline surface modification

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