Comparison of melting efficiency in high power fiber laser and CO2 laser welding - 文章详情页

作者：

Zou, Jianglin (Zou, Jianglin.) | Wu, Shikai (Wu, Shikai.) | Xiao, Rongshi (Xiao, Rongshi.) (学者：肖荣诗) | Zhang, Xinyi (Zhang, Xinyi.) | Niu, Jianqiang (Niu, Jianqiang.)

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摘要：

Bead-on-plate　welding　is　carried　out　with　an　IPG　YLS-6000　fiber　laser　and　a　slab　DC035　CO2　laser　under　the　similar　conditions.　The　melting　efficiencies　are　calculated　based　on　the　measured　weld　cross-sectional　areas　with　an　Olympus　microscope.　The　results　show　that　the　melting　efficiency　increases　firstly　and　then　decreases　with　welding　speed　increasing　in　both　cases.　However,　the　welding　speed　corresponding　to　the　maximum　melting　efficiency　is　far　greater　in　fiber　laser　welding　than　that　in　CO2　laser　welding.　Further　analysis　demonstrates　that　the　difference　of　the　melting　efficiency　is　relevant　to　the　inherent　difference　of　the　energy　coupling.　Therefore,　from　the　viewpoint　of　welding　efficiency,　fiber　laser　is　more　suitable　for　high-speed　welding,　while　CO2　laser　is　more　suitable　for　low-speed　welding.

关键词：

Carbon dioxide Fiber lasers Laser beam welding Fibers Melting Carbon dioxide lasers

作者机构：

[ 1 ] [Zou, Jianglin]Institute of Laser Engineering, Beijing University of Technology, Beijing 100124, China
[ 2 ] [Wu, Shikai]Institute of Laser Engineering, Beijing University of Technology, Beijing 100124, China
[ 3 ] [Xiao, Rongshi]Institute of Laser Engineering, Beijing University of Technology, Beijing 100124, China
[ 4 ] [Zhang, Xinyi]Institute of Laser Engineering, Beijing University of Technology, Beijing 100124, China
[ 5 ] [Niu, Jianqiang]Institute of Laser Engineering, Beijing University of Technology, Beijing 100124, China

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电子邮件地址：

rsxiao@bjut.edu.cn

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