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MA Zhengzhu, ZHU Jialei, ZHOU Canfeng, LI Weiqiang. Control on droplet size and metal transfer frequency based on pulsed laser in GMAW[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2017, 38(5): 49-52,57. DOI: 10.12073/j.hjxb.20170511
Citation: MA Zhengzhu, ZHU Jialei, ZHOU Canfeng, LI Weiqiang. Control on droplet size and metal transfer frequency based on pulsed laser in GMAW[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2017, 38(5): 49-52,57. DOI: 10.12073/j.hjxb.20170511
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Control on droplet size and metal transfer frequency based on pulsed laser in GMAW

  • Mechanical Engineering College, Beijing Institute of Petrochemical Technology, Beijing 102600, China

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  • Received Date: May 05, 2015
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    • Abstract
  • To solve a series of problems existing in the projected droplet transfer of underwater welding such as narrow optional parameter, high input and residual stress, a laser-enhanced GMAW experiment platform including welding multi-information synchronization system was established and related experiment in atmospheric environment was conducted based on the underwater hyperbaric welding test tank in this paper. Result shows that droplet transfer gets rid of dominance of welding current and laser controls GMAW metal transfer actively with the assistance of laser when reasonable irradiation position and duty cycle of pulsed laser is selected. Result of experiment and related analysis laid a solid foundation on the further research of welding process stability control in underwater hyperbaric welding and ocean engineering.
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    • References (8)
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