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WANG Xuyou, LEI Zhen, MAO Hui, DU Bing, . Appearance of weld and impact toughness for the joints of ferrite stainless steel by laser-MAG hybrid welding[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2009, (12): 21-25.
Citation: WANG Xuyou, LEI Zhen, MAO Hui, DU Bing, . Appearance of weld and impact toughness for the joints of ferrite stainless steel by laser-MAG hybrid welding[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2009, (12): 21-25.
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Appearance of weld and impact toughness for the joints of ferrite stainless steel by laser-MAG hybrid welding

  • Harbin Welding Institute, China Academy of Machinery Science & Technology, Harbin 150080, China

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  • Received Date: August 12, 2008
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  • Laser-MAG hybrid welding of T4003 and TCS ferrite stainless steels was studied.Through comparing with the conventional MAG welding of ferrite stainless steel, the results of the two welding methods including the appearance of weld, impact toughness under low temperature and the microstructure of the butt joints were tested and analysed.The analysing results show that it is easy to get one-side welding with back by laser-MAG hybrid welding.Comparing with the conventional MAG welding, the welding efficiency of ferrite stainless steel by laser-MAG hybrid welding can be improved more than one times, the low temperature impact toughness of the joints by laser-MAG hybrid welding can be improved over 50% than that of conventional MAG welding joints, and the width of coarse-grained zone of hybrid welding joints is thinner than that of MAG welding joints.
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