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Author:

李飞 (李飞.) | 孔晓芳 (孔晓芳.) | 吴世凯 (吴世凯.) | 肖荣诗 (肖荣诗.) (Scholars:肖荣诗)

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CQVIP PKU CSCD

Abstract:

采用IPG YLS-6000光纤激光器和Fronius MagicWave3000job数字化焊机,对4mm厚5083H116铝合金进行了复合焊接试验。研究了电源特性、电流大小和热源间距等工艺参数对光纤激光-钨极惰性气体保护焊(TIG)复合焊接焊缝成形的影响规律,并分析了焊接接头的缺陷、显微硬度及力学性能。结果表明,光纤激光-TIG复合焊接5083铝合金,能够明显改善焊缝成形,提高焊接过程稳定性,特别是与变极性TIG电弧复合效果更为显著;光纤激光与变极性TIG电弧复合焊接,采用激光在前的方式,电弧电流150A,且热源间距不大于4mm,可以得到具有明亮金属光泽和均匀鱼鳞纹的焊缝,焊缝无气孔和裂纹...

Keyword:

变极性钨极惰性气体保护焊 光纤激光 激光技术 复合焊接 5083铝合金

Author Community:

  • [ 1 ] 北京工业大学激光工程研究院

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Source :

强激光与粒子束

Year: 2014

Issue: 03

Volume: 26

Page: 312-316

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 5

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