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首页> 外文期刊>Journal of Manufacturing Processes >Metal transfer process and properties of double-wire double pulsed gas metal arc welding
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Metal transfer process and properties of double-wire double pulsed gas metal arc welding

机译：双线双脉冲气体电弧焊接金属转移工艺及性能

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摘要

Metal transfer processes during double-wire double pulsed gas metal arc welding (DP-GMAW) were observed in both the double pulse synchronous (DPS) and double pulse alternating (DPA) phases using a high-speed digital camera. Meanwhile, the corresponding waveforms were acquired. The results showed that metal transfer occurred as one drop per pulse (ODPP) during both the strong and weak pulse periods, irrespective of phase. In the DPA phase, ODPP was achieved more easily compared with the DPS phase and the metal transfer stability was improved. The droplet offset distance was shorter in the DPA phase. Moreover, the desirable fish-scale appearance was more evident on surface of the weld bead created in the DPA phase. Finally, penetration achieved in the DPA phase was significantly deeper, and fluctuations in the penetration were clearly observed in longitudinal section of the weld bead.
机译：使用高速数码相机，在双脉冲同步（DPS）和双脉冲交替（DPA）相中观察到双线双脉冲气体弧焊（DP-GMAW）的金属转移过程。同时，获取相应的波形。结果表明，无论相位如何，都会在强度和弱脉冲周期内发生金属转移作为每个脉冲（ODPP）。在DPA相中，与DPS相更容易实现ODPP，并且改善了金属转移稳定性。 DPA阶段液滴偏移距离短。此外，在DPA相中产生的焊缝表面上更明显，所需的鱼鳞外观更明显。最后，在DPA阶段中实现的渗透性显着更深，在焊缝珠子的纵向截面中清楚地观察到渗透的波动。

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  • 来源
    《Journal of Manufacturing Processes》 |2019年第8期|367-375|共9页
  • 作者

    Wu Kaiyuan; Cao Xuanwei; Yin Tong; Zeng Min; Liang Zhuoyong;

  • 作者单位

    South China Univ Technol Sch Mech & Automot Engn Guangzhou 510640 Guangdong Peoples R China|South China Univ Technol Engn Res Ctr Special Welding Technol & Equipment Guangzhou 510640 Guangdong Peoples R China;

    South China Univ Technol Sch Mech & Automot Engn Guangzhou 510640 Guangdong Peoples R China|South China Univ Technol Engn Res Ctr Special Welding Technol & Equipment Guangzhou 510640 Guangdong Peoples R China;

    South China Univ Technol Sch Mech & Automot Engn Guangzhou 510640 Guangdong Peoples R China|South China Univ Technol Engn Res Ctr Special Welding Technol & Equipment Guangzhou 510640 Guangdong Peoples R China;

    South China Univ Technol Sch Mech & Automot Engn Guangzhou 510640 Guangdong Peoples R China|South China Univ Technol Engn Res Ctr Special Welding Technol & Equipment Guangzhou 510640 Guangdong Peoples R China;

    South China Univ Technol Sch Mech & Automot Engn Guangzhou 510640 Guangdong Peoples R China|South China Univ Technol Engn Res Ctr Special Welding Technol & Equipment Guangzhou 510640 Guangdong Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Metal transfer; High-speed digital camera; Bead profile; Double pulse; Double-wire GMAW;

    机译：金属转移;高速数码相机;珠子剖面;双脉冲;双线GMAW;

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