Abnormal change in dynamic mechanical behavior of metallic glass by laser shock peening | |
Li YS(李炎森)1,2,3; Wei YP(魏延鹏)3,4; Yi, Xu5; Zhang K(张坤)2,3; Wei BC(魏炳忱)2,3,6 | |
发表期刊 | OPTICS AND LASER TECHNOLOGY |
2021-06-01 | |
卷号 | 138页码:7 |
ISSN | 0030-3992 |
摘要 | Laser shock peening (LSP) has been shown to be an effective technique to improve the plasticity of metallic glasses (MGs) by inducing residual stress and structural rejuvenation. However, the microstructural evolution and viscoelastic properties of MGs after LSP remain largely unknown. In this paper, the dynamic mechanical properties of Zr-based MG before and after LSP treatment were investigated. An abnormal increase of storage modulus near the glass transition temperature (T-g) was observed after LSP. An increased deviation between the dynamic mechanical result and the quasi-point defect (QPD) theory prediction was also observed after the LSP treatment. A competing mechanism between the liquid-like region change and the pre-existing fringe-like precipitations is proposed to explain the unusual dynamic behaviors of MGs after LSP treatment. The results provide insightful information about the microstructural changes and viscoelastic properties of the MGs after LSP. |
关键词 | Laser shock peening Metallic glass Dynamic mechanical properties Fringe-like precipitations |
DOI | 10.1016/j.optlastec.2020.106875 |
收录类别 | SCI ; EI |
语种 | 英语 |
WOS记录号 | WOS:000620274800007 |
WOS研究方向 | Optics ; Physics |
WOS类目 | Optics ; Physics, Applied |
资助项目 | National Natural Science Foundation of China[51401028] ; National Natural Science Foundation of China[51271193] ; National Natural Science Foundation of China[11402277] ; National Natural Science Foundation of China[11790292] ; Chinese Academy of Sciences[XDB22040303] ; Innovation Program[237099000000170004] |
项目资助者 | National Natural Science Foundation of China ; Chinese Academy of Sciences ; Innovation Program |
论文分区 | 二类/Q1 |
力学所作者排名 | 1 |
RpAuthor | Zhang, Kun ; Wei, Bingchen |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://dspace.imech.ac.cn/handle/311007/86080 |
专题 | 非线性力学国家重点实验室 微重力重点实验室 |
作者单位 | 1.Shijiazhuang Tiedao Univ, Dept Engn Mech, Shijiazhuang 050043, Hebei, Peoples R China; 2.Chinese Acad Sci, Inst Mech, Key Lab Micrograv, Natl Micrograv Lab, Beijing 100190, Peoples R China; 3.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China; 4.Chinese Acad Sci, Inst Mech, Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China; 5.China North Vehicle Res Inst, Beijing 100072, Peoples R China; 6.Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China |
推荐引用方式 GB/T 7714 | Li YS,Wei YP,Yi, Xu,et al. Abnormal change in dynamic mechanical behavior of metallic glass by laser shock peening[J]. OPTICS AND LASER TECHNOLOGY,2021,138:7. |
APA | 李炎森,魏延鹏,Yi, Xu,张坤,&魏炳忱.(2021).Abnormal change in dynamic mechanical behavior of metallic glass by laser shock peening.OPTICS AND LASER TECHNOLOGY,138,7. |
MLA | 李炎森,et al."Abnormal change in dynamic mechanical behavior of metallic glass by laser shock peening".OPTICS AND LASER TECHNOLOGY 138(2021):7. |
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