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超高功率激光-电弧复合焊接特性分析

黄瑞生, 杨义成, 蒋宝, 聂鑫, 王子然

黄瑞生, 杨义成, 蒋宝, 聂鑫, 王子然. 超高功率激光-电弧复合焊接特性分析[J]. 焊接学报, 2019, 40(12): 73-77,96. DOI: 10.12073/j.hjxb.2019400316
引用本文: 黄瑞生, 杨义成, 蒋宝, 聂鑫, 王子然. 超高功率激光-电弧复合焊接特性分析[J]. 焊接学报, 2019, 40(12): 73-77,96. DOI: 10.12073/j.hjxb.2019400316
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HUANG Ruisheng, YANG Yicheng, JIANG Bao, NIE Xin, WANG Ziran. Analysis of welding characteristics of ultra-high power laser-arc hybrid welding[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2019, 40(12): 73-77,96. DOI: 10.12073/j.hjxb.2019400316
Citation: HUANG Ruisheng, YANG Yicheng, JIANG Bao, NIE Xin, WANG Ziran. Analysis of welding characteristics of ultra-high power laser-arc hybrid welding[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2019, 40(12): 73-77,96. DOI: 10.12073/j.hjxb.2019400316
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超高功率激光-电弧复合焊接特性分析

  • 1.

    哈尔滨焊接研究院有限公司, 哈尔滨 150028

  • 2.

    哈尔滨焊接研究院有限公司, 哈尔滨 150028;机械科学研究总院集团有限公司, 北京 100044

基金项目: 国家重点研发计划资助项目（2016YFB1102100）；黑龙江省省级资金资助课题（GX18A007）

Analysis of welding characteristics of ultra-high power laser-arc hybrid welding

  • 1.

    Harbin Welding Institute Limited Company, Harbin 150028, China

  • 2.

    Harbin Welding Institute Limited Company, Harbin 150028, China;China Academy of Machinery Science and Technology Group Co., Ltd., Beijing 100044, China

摘要

    摘要
  • 摘要: 为了对超高功率激光-电弧复合焊接过程特性有深入的理解. 借助高速摄像，以焊接过程中羽辉和飞溅为主要研究对象，对比分析了激光功率从5 kW增加到30 kW时，激光热源与不同电弧热源复合，以及是否填丝对焊接特性的影响规律. 结果表明，激光功率增加，羽辉和飞溅面积的均值都呈增加趋势，两者的波动程度也呈上升趋势；冷丝的添加在降低焊缝熔深的同时使激光-MAG复合焊接过程中的稳定性变差；激光-TIG复合填丝焊接过程的稳定性明显优于另外两种焊接形式；高功率激光复合焊接时，高温羽辉对激光的散射和吸收作用会使熔深增加趋势放缓.
    Abstract: Using ultra high-power laser-arc hybrid welding at myriawatt level is an important research direction in the field of laser processing. Characteristic of laser-MAG hybrid welding, laser-TIG hybrid welding with filler wire and laser-MAG hybrid welding with filler wire were systematically analyzed by studying the plum and spatter which were produced in the welding process and investigated by a high speed camera when laser power increases from 5kW to 30 kW. The results showed that both the mean value of plum and spatter area and their fluctuation increased with the laser power increase. The addition of cold wire reduces the weld penetration and makes the stability of laser-MAG hybrid welding process become worse. The stability of the laser-TIG hybrid welding process with filler wire is better than the other two welding method. The scattering and absorbing of laser by the high temperature plume is the essential reason for the weld penetration increase slowly and weld width increase fastly in high power laser-arc hybrid welding.
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    • 参考文献(14)
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出版历程
  • 收稿日期:  2019-06-05

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