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Abstract:
利用光纤激光扫描焊接铝合金V型坡口,研究了坡口角度、透镜焦距、离焦量等对坡口内材料熔化行为的影响。结果表明,V型坡口对光纤激光具有明显的汇聚作用。当焦距为300mm、离焦量为0~10mm、坡口角度为5°时,坡口内可获得较好的熔化效果。进一步分析表明,这与铝对光纤激光在布儒斯特角处的吸收率不高有关,但由于每次反射会损失部分激光能量,因此光纤激光在V型坡口内的反射次数不宜过多。
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中国激光
Year: 2017
Issue: 06
Volume: 44
Page: 141-147
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: 11
Affiliated Colleges: