The arc characteristics and metal transfer behaviour of cold metal transfer and its use in joining aluminium to zinc-coated steel |
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| Authors: | HT Zhang JC Feng P He BB Zhang JM Chen L Wang |
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| Affiliation: | 1. School of Materials Science and Engineering, Harbin Institute of Technology at Weihai, Weihai 264209, Shandong Province , PR China;2. State Key Laboratory of Advanced Welding Production Technology, Harbin Institute of Technology, Harbin 150001, Heilongjiang Province, PR China;1. State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin 150001, China;2. Science and Technology on Remanufacturing Laboratory, Academy of Armored Forces Engineering, Beijing 100072, China;1. State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin 150001, China;2. National Key Laboratory for Remanufacturing, Academy of Armored Forces Engineering, Beijing 100072, China;1. Shandong Provincial Key Laboratory of Special Welding Technology, School of Materials Science and Engineering, Harbin Institute of Technology at Weihai, Weihai 264209, China;2. National Key Laboratory for Remanufacturing, Academy of Armored Forces Engineering, Beijing 100072, China;3. Shanghai Key Laboratory of Materials Laser Processing and Modification, Shanghai Jiao Tong University, Shanghai 200240, China;1. TR Naval Forces, Kocaeli, Turkey;2. Kocaeli University, Faculty of Engineering, Department of Mechanical Engineering, Kocaeli, Turkey;3. Kocaeli University, Welding Techn. Research, Education and Training Center, Kocaeli, Turkey;4. Gazi University, Faculty of Architecture, Department of Industrial Design, Ankara, Turkey;1. Department of Mechanical Engineering, Dr. B R Ambedkar National Institute of Technology, Jalandhar 144011, India;2. Research & Development, Tata Steel Limited, Jamshedpur, Jharkhand 831007, India |
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| Abstract: | Cold metal transfer (CMT) is a modified metal inert gas welding process based on short-circuiting the transfer process, characterised by low heat input and no-spatter welding. The arc characteristics and its droplet transfer process have been studied by high-speed video photography. The process was used to join aluminium to zinc-coated steel. The results shows that no-spatter welding and low heat input during the welding process can be realized by CMT, and a dissimilar metal joint with good performance can be obtained by the CMT process. |
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