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Laser-MIG Arc Hybrid Brazing-Fusion Welding of Al Alloy to Galvanized Steel with Different Filler MetalsShujun WANG,Guoliang QIN,Yuhu SUKey Laboratory for Liquid-Solid Structure Evolution and Processing of Materials, Ministry of Education, Shandong University摘 要:Aluminum alloy plates were joined to galvanized steel sheets with lap joint by laser-MIG arc......
-MIG复合焊接接头微观形貌进行观察. 表1 Invar合金与M93焊丝的化学成分[17] Table 1 Chemical composition of row material and welding wire[17] 表2 激光-MIG复合焊多层单道焊接参数 Table 2 Laser-MIG hybrid welding parameters 图1 激光-电弧复合焊接实验平台 Fig. 1 Laser-MIG hybrid welding experimental platform: machine 图2 试样尺寸及光丝参数 Fig. 2 Specimen size and laser-arc parameters 2 结果与讨论 2.1 焊缝宏观形貌分析......
CO2 laser-micro plasma arc hybrid welding for galvanized steel sheets C. H. KIM, Y. N. AHN, J. H. KIM Advance Welding & Joining Research Group, Korea Institute of Industrial Technology... the molten pool and the expulsion causes numerous weld defects, such as spatters and blow holes on the weld surface and porosity inside the welds. The laser-arc hybrid welding was suggested......
Structural considerations in friction welding of hybrid Al2O3-reinforced aluminum composites In-Duck PARK1, Choon-Tae LEE2, Hyun-Soo KIM3, Woo-Jin CHOI4, Myung-Chang KANG4 1. Busan Metropolitan... and joining efficiency in the friction welding of hybrid Al2O3-reinforced aluminum composites were conducted. Metal matrix composites (MMCs) with 37% (volume fraction) aluminum particle were joined......
镁合金激光-MIG复合焊温度场数值模拟 陈东高1,张海玲2,程朝丰1,冯杰才1,谭兵1,齐果1 (1.中国兵器科学研究院,宁波分院,浙江,宁波,315103;2.宁波经纬易图数控科技有限公司,浙江,宁波,315103) 摘要:采用MSC.Marc有限元软件对镁合金激光-MIG复合焊的温度场进行数值模拟计算,并与实验结果对比,研究表明:数值计算获得的焊缝截面形状和尺寸与实验结果相比,一致性达到94%以上;母材上3点的计算温度与实测值偏差在8%以内;由于上表面温度向下表面传导,使下表面焊缝从凝同温度冷却到300℃比上表面焊缝所需时间长约50%. 关键词:激光-MIG复合焊; 有限元; 温度场; 镁合金; laser-MIG hybrid welding; finite element method; temperature field; Mg alloy; [全文内容正在添加中] ......
shape of laser-MIG hybrid welding of AZ31 magnesium alloy GAO Ming1, TAN Bing2, FENG Jie-cai2, ZENG Xiao-yan1, YAN Jun1 (1. School of Optoelectronics Science and Engineering, Wuhan National Laboratory... on the bead width but only a little influence on weld penetration depth. Under the optimal welding parameters, the laser-MIG hybrid welding can obtain good welds without morphological defect and the welding......
Hybrid Friction Stir Welding of High-carbon SteelDon-Hyun Choi1,Chang-Yong Lee2,Byung-Wook Ahn1,Jung-Hyun Choi1,Seung-Boo Jung11. School of Advanced Materials Science and Engineering,Sungkyunkwan... 305-701,South Korea摘 要:A high-carbon steel joint,SK5(0.84 wt% C),was successfully welded by friction stir welding(FSW),both without and with a gas torch......
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Low-power YAG laser/arc hybrid welding of AZ-based Mg alloyHAO Xinfeng,and SONG Gang State Key Laboratory of Materials Modification,School of Materials Science and Engineering,Dalian University of Technology,Dalian 116024,China摘 要:The results of recent researches on the weldability of laser/arc hybrid welding of AZ-based Mg alloy......
July 2017; accepted 26 February 2018 Abstract: Laser-metal inert-gas (MIG) hybrid welding-brazing was applied to the butt joint of 6061-T6 aluminum alloy and 304 stainless steel. The microstructure... that of the joint by traditional MIG process. Key words: welding-brazing; laser-metal inert-gas hybrid welding; butt joint; microstructure 1 Introduction In recent years, lightweight composite structures......
