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Abstract:
在铝合金变极性穿孔焊接的工艺中,维弧对变极性电弧的行为有着重要影响.在反极性时间内,主电流会通过维弧电源经过喷嘴形成自由电弧,产生双弧现象,增大喷嘴的烧损,影响反极性电流对工件的阴极清理作用,甚至会产生主、维弧相干涉的现象.通过改善变极性电流的波形可以达到在焊接过程中引燃主电弧后,关断维弧,彻底解决主、维弧相干涉的问题.
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机械工程学报
ISSN: 0577-6686
Year: 2003
Issue: 11
Volume: 39
Page: 141-143
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 4
Chinese Cited Count:
30 Days PV: 7
Affiliated Colleges: