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Author:

冉国伟 (冉国伟.) | 宋永伦 (宋永伦.) | 林江波 (林江波.) | 杨晓红 (杨晓红.)

Indexed by:

CQVIP PKU

Abstract:

采用激光辅助TIG电弧的焊接方法对2014高强铝合金进行了焊接.通过分析焊接过程所采集的电流、电压信号和焊接接头的抗应力腐蚀试验数据,研究了低功率激光对TIG电弧功率和焊接接头性能的影响.结果表明,加入500 W激光后,EN时段电弧两极间的电压下降明显,而EP时段的电压未发生明显改变;TIG电弧的脉冲峰值功率和脉冲基值功率均有较大程度的下降.与TIG焊相比,激光辅助TIG焊的焊缝熔深变大,熔宽变小,焊缝表面更加平整,热影响区变窄,焊缝中心区晶粒有一定的细化,提高了抗应力腐蚀性能.

Keyword:

高强铝合金 复合焊接 激光

Author Community:

  • [ 1 ] [冉国伟]北京工业大学
  • [ 2 ] [宋永伦]北京工业大学
  • [ 3 ] [林江波]北京工业大学
  • [ 4 ] [杨晓红]北京工业大学

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Source :

电焊机

ISSN: 1001-2303

Year: 2010

Issue: 11

Volume: 40

Page: 23-27

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 3

Chinese Cited Count:

30 Days PV: 1

Affiliated Colleges:

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