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Abstract:
铝合金激光深熔焊接飞溅影响焊接稳定性并部分反映激光焊过程特性.对比研究了CO2及光纤激光焊接6061-T6铝合金的飞溅特性,探讨了两种激光焊飞溅特性差异的原因.借助高速摄像仪记录飞溅运动特性,收集并测量焊接飞溅,采用X2检验和最小二乘法拟合飞溅速度及尺寸分布.结果表明,两种激光焊飞溅速度均服从高斯分布,飞溅尺寸均呈对数正态分布,但光纤激光焊飞溅统计平均速度更大,表明光纤激光焊时更需注重聚焦系统保护;光纤激光焊飞溅统计平均直径更小,拟合结果更服从对数正态分布,表明光纤激光焊过程比CO2激光焊过程更稳定.
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Source :
焊接学报
ISSN: 0253-360X
Year: 2013
Issue: 2
Volume: 34
Page: 27-30
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 32
Chinese Cited Count:
30 Days PV: 0
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