中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
首页 机构 成果 学者
  
  1. CAS IR Grid
  2. 合肥物质科学研究院
  3. 中国科学院合肥物质科学研究院
Effects of beam oscillation on microstructural characteristics and mechanical properties in laser welded steel-copper joints

文献类型：期刊论文

作者Yan, Fei2; Qin, Yu2; Tang, Benkan2; Zhou, Yifan2; Gao, Zhongmei3; Hu, Yi2; Hu, Chongjing4; Xiao, Zhiling1; Xiao, Zunqi5; Wang, Chunming4
刊名OPTICS AND LASER TECHNOLOGY
出版日期2022-04-01
卷号148
ISSN号0030-3992
关键词Dissimilar metals welding Beam oscillation Weld microstructure Mechanical properties Reaction mechanism
DOI10.1016/j.optlastec.2021.107739
通讯作者Hu, Yi(huyi0820@whut.edu.cn)
英文摘要In this project, we present experimental laser welding of pure copper to stainless steel in the presence of beam oscillation. The microstructure, element distribution and mechanical properties of joints welded with and without exposure to beam oscillation were contrastively investigated employing scanning electron microscopy, energy dispersive X-ray spectrometry and other methodologies. The results showed that joint microstructure subjected to beam oscillation changed from massive and columnar structures to granular and globular structures. The driven force of circular oscillating beam on the molten pool produced a vortex flow, which promoted heat and mass transfer during laser welding. Moreover, it also led to the refinement of grains and discrete distribution of precipitated phases (rich-Fe alpha phase and rich-Cu epsilon phase), thereby reducing microstructural segregation and improving the resistance to crack in welds. The hardness gradient in joints suffered from beam oscillation was significantly reduced because of improvement in microstructural homogenization. The tensile strength and elongation of welded joints subjected to beam oscillation were 282.82 MPa and 2.68 mm respectively, 110.41% of strength and 153.14% of elongation compared to that of joints welded without exposure to beam oscillation. Joint improvement in strength and plasticity was attributive to microstructural refinement and compositional homogeneity.
WOS关键词STAINLESS-STEEL
资助项目State Key Laboratory of Digital Manufacturing Equipment and Technology, Huazhong University of Science and Technology[DMETKF2021022] ; National innovation and entrepreneurship training program for college students[S202110497179] ; 2021 Science and Technology Development Plan of Henan Province[212102210336]
WOS研究方向Optics ; Physics
语种英语
出版者ELSEVIER SCI LTD
WOS记录号WOS:000788245300003
资助机构State Key Laboratory of Digital Manufacturing Equipment and Technology, Huazhong University of Science and Technology ; National innovation and entrepreneurship training program for college students ; 2021 Science and Technology Development Plan of Henan Province
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/131545]  
专题中国科学院合肥物质科学研究院
通讯作者Hu, Yi
作者单位1.Zhengzhou Univ Light Ind, Coll Mech & Elect Engn, Zhengzhou 450002, Henan, Peoples R China
2.Wuhan Univ Technol, Hubei Key Lab Adv Technol Automot Components, Wuhan 430070, Peoples R China
3.Wuhan Univ Technol, Sch Mech & Elect Engn, Wuhan 430070, Peoples R China
4.Huazhong Univ Sci & Technol, State Key Lab Mat Proc & Die & Mould Technol, Wuhan 430074, Peoples R China
5.Chinese Acad Sci, Inst Nucl Energy Safety Technol, Hefei Inst Phys Sci, Hefei 230031, Anhui, Peoples R China
推荐引用方式
GB/T 7714		 Yan, Fei,Qin, Yu,Tang, Benkan,et al. Effects of beam oscillation on microstructural characteristics and mechanical properties in laser welded steel-copper joints[J]. OPTICS AND LASER TECHNOLOGY,2022,148.
APA Yan, Fei.,Qin, Yu.,Tang, Benkan.,Zhou, Yifan.,Gao, Zhongmei.,...&Wang, Chunming.(2022).Effects of beam oscillation on microstructural characteristics and mechanical properties in laser welded steel-copper joints.OPTICS AND LASER TECHNOLOGY,148.
MLA Yan, Fei,et al."Effects of beam oscillation on microstructural characteristics and mechanical properties in laser welded steel-copper joints".OPTICS AND LASER TECHNOLOGY 148(2022).

入库方式： OAI收割

来源：合肥物质科学研究院

浏览0
下载0
收藏0
其他版本

除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。