In situ observation of stress induced grain boundary migration in nanocrystalline gold - 文章详情页

作者：

收录：

EI Scopus SCIE

摘要：

In　this　study,　the　plastic　behaviors　of　nanocrystalline　Au　with　an　average　grain　size　of　18　nm　were　investigated　in　situ　using　a　home-made　tensile　device　in　a　transmission　electron　microscope.　We　provide　the　direct　experimental　results　revealed　the　process　of　grain　boundary　migration.　The　results　show　that　dislocation　behaviors　are　prevalent　for　large　grains.　However,　for　grain　sizes　below　similar　to　15　nm,　grain　boundary　migration　occurs　frequently.　The　results　of　our　statistical　analyses　show　that　grain　boundary　migration　occurs　more　frequently　than　grain　boundary　sliding　and　rotation　in　nanocrystalline　Au.　(c)　2017　Acta　Materialia　Inc.　Published　by　Elsevier　Ltd.　All　rights　reserved.

关键词：

Grain boundary migration Plastic deformation Nanocrystalline metal Transmission electron microscopy (TEM) In situ

作者机构：

[ 1 ] [Wang, Lihua]Beijing Univ Technol, Inst Microstruct & Property Adv Mat, Beijing 100124, Peoples R China
[ 2 ] [Xin, Tianjiao]Beijing Univ Technol, Inst Microstruct & Property Adv Mat, Beijing 100124, Peoples R China
[ 3 ] [Kong, Deli]Beijing Univ Technol, Inst Microstruct & Property Adv Mat, Beijing 100124, Peoples R China
[ 4 ] [Shu, Xinyu]Beijing Univ Technol, Inst Microstruct & Property Adv Mat, Beijing 100124, Peoples R China
[ 5 ] [Chen, Yanhui]Beijing Univ Technol, Inst Microstruct & Property Adv Mat, Beijing 100124, Peoples R China
[ 6 ] [Zhou, Hao]Beijing Univ Technol, Inst Microstruct & Property Adv Mat, Beijing 100124, Peoples R China
[ 7 ] [Zhang, Ze]Beijing Univ Technol, Inst Microstruct & Property Adv Mat, Beijing 100124, Peoples R China
[ 8 ] [Han, Xiaodong]Beijing Univ Technol, Inst Microstruct & Property Adv Mat, Beijing 100124, Peoples R China
[ 9 ] [Teng, Jiao]Univ Sci & Technol Beijing, Dept Mat Phys & Chem, Beijing 100083, Peoples R China
[ 10 ] [Zhang, Ze]Zhejiang Univ, State Key Lab Silicon Mat, Hangzhou 310008, Zhejiang, Peoples R China
[ 11 ] [Wang, Lihua]Univ Queensland, Mat Engn, Brisbane, Qld 4072, Australia
[ 12 ] [Zou, Jin]Univ Queensland, Mat Engn, Brisbane, Qld 4072, Australia
[ 13 ] [Zou, Jin]Univ Queensland, Ctr Microscopy & Microanal, Brisbane, Qld 4072, Australia

通讯作者信息：

王立华韩晓东
[Han, Xiaodong]Beijing Univ Technol, Inst Microstruct & Property Adv Mat, Beijing 100124, Peoples R China;;[Wang, Lihua]Univ Queensland, Mat Engn, Brisbane, Qld 4072, Australia;;[Zou, Jin]Univ Queensland, Mat Engn, Brisbane, Qld 4072, Australia

电子邮件地址：

wlh@bjut.edu.cn |
j.zou@uq.edu.au |
xdhan@bjut.edu.cn

查看成果更多字段

成果类型
所属机构

所有年份指定年份从至