Weldability and Distortion of Mg AZ31-to-Galvanized Steel SPOT Plug Welding Joint by Cold Metal Transfer Method

doi:10.1115/1.4034009

	Weldability and Distortion of Mg AZ31-to-Galvanized Steel SPOT Plug Welding Joint by Cold Metal Transfer Method
	Cao, R.1 ; Xu, Q. W.1; Zhu, H. X.1; Mao, G. J.1; Lin, Q.1 ; Chen, J. H.1; Wang, Pei-Chung 2
	2017-02
发表期刊	JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING-TRANSACTIONS OF THE ASME
ISSN	1087-1357
卷号	139 期号:2
摘要	In this study, cold metal transfer (CMT) plug welding of 1 mm thick Mg AZ31 to 1 mm thick hot-dipped galvanized mild steel (i.e., Q235) was studied. Welding tests were performed and the process variables optimized with Mg AZ61 wire and 100% argon shielding gas for a plug weld located in the center of the 25 mm overlap region. It was found that it is feasible to join 1 mm thick Mg AZ31 workpiece to 1 mm thick galvanized mild steel using CMT plug welding. The optimized process variables for CMT plug welding Mg AZ31-to-galvanized mild steel were a wire feed speed of 10.5 m/min, a predrilled hole with a diameter of 8 mm in Mg AZ31 workpiece and a welding time of 0.8 s. CMT plug welded Mg AZ31-to-galvanized mild steel joints were composed of the fusion zone between Mg AZ31 base metal and Mg weld metal, Mg weld metal (i.e., combined base metal, filler wire and Zn coating), and the brazing interface between magnesium weld metal and galvanized mild steel. The brazing interface mainly consisted of Al, Zn, Mg, Si intermetallic compounds and oxides (i.e., Fe3Al, Mg2Si, MgZn, and MgZn2), and magnesium solid solution. The static strength of CMT welded-brazed Mg AZ31-galvanized steel was determined primarily by the strength and area of the brazed interface and thickness of the intermetallic reaction layer.
关键词	weldability cold metal transfer plug welding magnesium alloys steel tensile microstructure hardness
DOI	10.1115/1.4034009
收录类别	SCI
语种	英语
资助项目	Rose Willow Outstanding Individual Programs of Lanzhou University of Technology[J201203]
WOS研究方向	Engineering
WOS类目	Engineering, Manufacturing ; Engineering, Mechanical
WOS记录号	WOS:000393881400001
出版者	ASME
引用统计	被引频次：11[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	https://ir.lut.edu.cn/handle/2XXMBERH/33386
专题	省部共建有色金属先进加工与再利用国家重点实验室材料科学与工程学院学报编辑部
通讯作者	Cao, R.
作者单位	1.Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Langongping 287 Rd, Qilihe Dist 730050, Peoples R China 2.Gen Motors Global Res & Dev Ctr, Mfg Syst Res Lab, MC 480-106-RA2,30500 Mound Rd, Warren, MI 48090 USA
第一作者单位	省部共建有色金属先进加工与再利用国家重点实验室
通讯作者单位	省部共建有色金属先进加工与再利用国家重点实验室
第一作者的第一单位	省部共建有色金属先进加工与再利用国家重点实验室
推荐引用方式 GB/T 7714	Cao, R.,Xu, Q. W.,Zhu, H. X.,et al. Weldability and Distortion of Mg AZ31-to-Galvanized Steel SPOT Plug Welding Joint by Cold Metal Transfer Method[J]. JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING-TRANSACTIONS OF THE ASME,2017,139(2).
APA	Cao, R..,Xu, Q. W..,Zhu, H. X..,Mao, G. J..,Lin, Q..,...&Wang, Pei-Chung.(2017).Weldability and Distortion of Mg AZ31-to-Galvanized Steel SPOT Plug Welding Joint by Cold Metal Transfer Method.JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING-TRANSACTIONS OF THE ASME,139(2).
MLA	Cao, R.,et al."Weldability and Distortion of Mg AZ31-to-Galvanized Steel SPOT Plug Welding Joint by Cold Metal Transfer Method".JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING-TRANSACTIONS OF THE ASME 139.2(2017).