Microstructural response and improving surface mechanical properties of pure copper subjected to laser shock peening

doi:10.1016/j.apsusc.2021.150336

CORC > 金属研究所 > 中国科学院金属研究所

	Microstructural response and improving surface mechanical properties of pure copper subjected to laser shock peening
	Wei, Boxin 1,2,3; Xu, Jin 1; Cheng, Y. Frank 3; Wu, Jiajun 4,5; Sun, Cheng 1; Wang, Zhenyao 1
刊名	APPLIED SURFACE SCIENCE
	2021-10-30
卷号	564 页码:12
关键词	Laser shock peening Pure copper Severe plastic deformation Grain refinement Compressive residual stress
ISSN号	0169-4332
DOI	10.1016/j.apsusc.2021.150336
通讯作者	Xu, Jin(xujin@imr.ac.cn) ; Cheng, Y. Frank(fcheng@ucalgary.ca) ; Sun, Cheng(chengsun@imr.ac.cn)
英文摘要	High-energy short-pulse lasers have been increasingly used in the field of material processing. Comprehensive understanding of the laser shock peening effects is crucial to future improve the surface mechanical of pure copper efficiency and stability. Herein, we investigated laser shock peening, which may enhance the mechanical properties of metals and alloys. The microstructural evolution and surface mechanical properties of pure copper after laser shock peening were evaluated. Typical high-density dislocations and twin grating after laser shock peening were analyzed. The mechanism of laser shock peening-induced grain refinement was subsequently analyzed. The laser shock peening method effectively enhanced the surface mechanical properties of pure copper. The microhardness of pure copper increased obviously after laser shock peening. However, laser overlap percentage plays a key role in improving surface mechanical properties. In the present work, a 50% overlap was optimal, with the surface hardness after laser shock peening improving by 47%.
资助项目	National Natural Science Foundation of China[51871228] ; National Natural Science Foundation of China[51771213] ; National Natural Science Foundation of China[51471176]
WOS研究方向	Chemistry ; Materials Science ; Physics
语种	英语
出版者	ELSEVIER
WOS记录号	WOS:000675860200004
资助机构	National Natural Science Foundation of China
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/159832]
专题	金属研究所_中国科学院金属研究所
通讯作者	Xu, Jin; Cheng, Y. Frank; Sun, Cheng
作者单位	1.Chinese Acad Sci, Inst Met Res, Liaoning Shenyang Soil & Atmosphere Mat Corros Na, Shenyang 110016, Peoples R China 2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China 3.Univ Calgary, Dept Mech & Mfg Engn, Calgary, AB T2N 1N4, Canada 4.Chinese Acad Sci, Shenyang Inst Automat, State Key Lab Robot, Shenyang 110169, Peoples R China 5.Chinese Acad Sci, Inst Robot & Intelligent Mfg, Shenyang 110169, Peoples R China
推荐引用方式 GB/T 7714	Wei, Boxin,Xu, Jin,Cheng, Y. Frank,et al. Microstructural response and improving surface mechanical properties of pure copper subjected to laser shock peening[J]. APPLIED SURFACE SCIENCE,2021,564:12.
APA	Wei, Boxin,Xu, Jin,Cheng, Y. Frank,Wu, Jiajun,Sun, Cheng,&Wang, Zhenyao.(2021).Microstructural response and improving surface mechanical properties of pure copper subjected to laser shock peening.APPLIED SURFACE SCIENCE,564,12.
MLA	Wei, Boxin,et al."Microstructural response and improving surface mechanical properties of pure copper subjected to laser shock peening".APPLIED SURFACE SCIENCE 564(2021):12.