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Repair welding process of friction stir welding groove defect LIU Hui-jie(刘会杰), ZHANG Hui-jie(张会杰) State Key Laboratory of Advanced Welding Production Technology, Harbin Institute...; Abstract: The groove defect formed in the friction stir welding dramatically deteriorates weld appearances and mechanical properties......
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welding speed needs to be adopted in laser-beam welding of GH4169, and can achieve a well-shaped welding morphology and avoid the generation of microcracks [10,11]. Microcracks occur easily in gas...Trans. Nonferrous Met. Soc. China 23(2013) 1971-1976 Causes and control of welding cracks in electron-beam-welded superalloy GH4169 joints Guo-qing CHEN, Bing-gang ZHANG, Tian-min , Ji-cai FENG State......
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INVESTIGATION OF LASER BEAM WELDING PROCESS OF AZ61 MAGNESIUM-BASED ALLOY Z.J. Li1,H.Y. Wang1 (1.Industrial Center, Shenzhen Polytechnic, Shenzhen 518055, China) Abstract:Laser welding process... in the joint are believed to play an important role in the increase of the strength of welds for AZ61 magnesium alloys. Key words:magnesium alloy; laser beam welding; laser power; welding speed; [全......
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Superplastic formability of Ti-6Al-4V butt-welded plate by laser beam welding WANG Gang(王 刚), ZHANG Wen-cong(张文丛), ZHANG Gong-lei(张功磊), XU Zhi-liang(徐志良) School of Materials Science...; Abstract: The superplasticity of Ti-6Al-4V butt-welded plates by laser beam welding (LBW......
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