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Microstructure and mechanical properties of ultra-narrow gap laser weld joint of 100 mm-thick SUS304 steel plates

文献类型：期刊论文

作者Yang, Wuxiong3; Xin, Jijun1,2,4; Fang, Chao2,4; Dai, Wenhua1,2,4; Wei, Jing2,4; Wu, Jiefeng2,4; Song, Yuntao1,2,4
刊名JOURNAL OF MATERIALS PROCESSING TECHNOLOGY
出版日期2019-03-01
卷号265页码:130-137
ISSN号0924-0136
关键词Thick plate Ultra-narrow gap Laser welding with filler wire Microstructure Mechanical properties
DOI10.1016/j.jmatprotec.2018.10.017
通讯作者Fang, Chao(fangchao@ipp.ac.cn)
英文摘要A defect-free welded joint of 100 mm-thick SUS 304 steel plates is produced by ultra-narrow gap laser welding with filler wire in the laser conduction mode in 42 layers. The laser beam concurrent heating of the groove side walls and bottom ensures the adequate side wall fusion, with the angle distortion belowed 1 degrees, and the average fusion ratio of the whole weld of about 11%. The microstructure is composed of cellular grains adjacent to the fusion line and fine equiaxed grains. The average tensile strength of the weld joint is 658 MPa, which corresponds to similar to 95% of that of the base metal. The fracture occurs near the fusion line in the cellular grain zone of the weld joint. The microstructure morphology difference in the weld joint implies the uneven distribution of microhardness which values in the equiaxed grain zone significantly exceed those the cellular zone.
WOS关键词STAINLESS-STEEL ; FILLER WIRE ; OPTIMIZATION
资助项目National Science Fund for Distinguished Young Scholars of China[51525703]
WOS研究方向Engineering ; Materials Science
语种英语
出版者ELSEVIER SCIENCE SA
WOS记录号WOS:000451935100013
资助机构National Science Fund for Distinguished Young Scholars of China ; National Science Fund for Distinguished Young Scholars of China ; National Science Fund for Distinguished Young Scholars of China ; National Science Fund for Distinguished Young Scholars of China ; National Science Fund for Distinguished Young Scholars of China ; National Science Fund for Distinguished Young Scholars of China ; National Science Fund for Distinguished Young Scholars of China ; National Science Fund for Distinguished Young Scholars of China ; National Science Fund for Distinguished Young Scholars of China ; National Science Fund for Distinguished Young Scholars of China ; National Science Fund for Distinguished Young Scholars of China ; National Science Fund for Distinguished Young Scholars of China ; National Science Fund for Distinguished Young Scholars of China ; National Science Fund for Distinguished Young Scholars of China ; National Science Fund for Distinguished Young Scholars of China ; National Science Fund for Distinguished Young Scholars of China
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/40503]  
专题合肥物质科学研究院_中科院等离子体物理研究所
通讯作者Fang, Chao
作者单位1.Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China
2.Anhui Key Lab Special Welding Technol, Huainan 232000, Anhui, Peoples R China
3.Beijing Univ Technol, Inst Laser Engn, Beijing 100124, Peoples R China
4.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Anhui, Peoples R China
推荐引用方式
GB/T 7714		 Yang, Wuxiong,Xin, Jijun,Fang, Chao,et al. Microstructure and mechanical properties of ultra-narrow gap laser weld joint of 100 mm-thick SUS304 steel plates[J]. JOURNAL OF MATERIALS PROCESSING TECHNOLOGY,2019,265:130-137.
APA Yang, Wuxiong.,Xin, Jijun.,Fang, Chao.,Dai, Wenhua.,Wei, Jing.,...&Song, Yuntao.(2019).Microstructure and mechanical properties of ultra-narrow gap laser weld joint of 100 mm-thick SUS304 steel plates.JOURNAL OF MATERIALS PROCESSING TECHNOLOGY,265,130-137.
MLA Yang, Wuxiong,et al."Microstructure and mechanical properties of ultra-narrow gap laser weld joint of 100 mm-thick SUS304 steel plates".JOURNAL OF MATERIALS PROCESSING TECHNOLOGY 265(2019):130-137.

入库方式： OAI收割

来源：合肥物质科学研究院

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