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	Coaxial hybrid CO2-MIG welding system and its application in welding of aluminum alloys
	Zhang, XD ; Chen, WZ ; Shuang, YQ ; Wang, KJ
	2010-05-10 ; 2010-05-10
会议名称	LASERS IN MATERIAL PROCESSING AND MANUFACTURING II ; Conference on Material Processing and Manufacturing II ; Beijing, PEOPLES R CHINA ; Web of Science
关键词	CO2 laser MIG coaxial hybrid welding aluminum alloy process monitoring and control Engineering, Manufacturing Optics Physics, Applied
中文摘要	Hybrid laser-arc welding is becoming one of the most significant laser welding technologies in industry due to its higher welding efficiency, higher tolerance to gaps between plates, and adjustment of composition and microstructure of the weld metal. Comparing with common off axis hybrid laser-arc welding, coaxially combined laser beam and arc can provide a symmetrical circular thermal source on the workpiece surface, which is convenient for 3-D welding. This paper introduces a coaxial hybrid CO2 laser-pulsed MIG welding system and conducts experiments of welding Al-Mg alloy plates under different welding conditions. The basic physical phenomena during welding are observed and the weld bead shape (penetration depth, weld width) are measured. The results show that hybrid laser-MIG can stabilize the arc, remarkably increase the total welding efficiency and improve the quality of weld bead formation. In addition, process and control techniques for hybrid laser-MIG welding are also proposed.
会议录出版者	SPIE-INT SOC OPTICAL ENGINEERING ; BELLINGHAM ; 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
语种	英语 ; 英语
内容类型	会议论文
源URL	[http://hdl.handle.net/123456789/19102]
专题	清华大学
推荐引用方式 GB/T 7714	Zhang, XD,Chen, WZ,Shuang, YQ,et al. Coaxial hybrid CO2-MIG welding system and its application in welding of aluminum alloys[C]. 见:LASERS IN MATERIAL PROCESSING AND MANUFACTURING II, Conference on Material Processing and Manufacturing II, Beijing, PEOPLES R CHINA, Web of Science.

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