Influence of shielded gas flow in CO2 laser welding of A5083 aluminum alloy

Lei Hong; Wuzhu Cheng; Gang Wu; Guangming Song

doi:10.1117/12.567201

13 January 2005 Influence of shielded gas flow in CO₂ laser welding of A5083 aluminum alloy

Lei Hong, Wuzhu Cheng, Gang Wu, Guangming Song

Proceedings Volume 5629, Lasers in Material Processing and Manufacturing II; (2005) https://doi.org/10.1117/12.567201
Event: Photonics Asia, 2004, Beijing, China

Abstract

Laser welding of A5083 aluminum alloys with high power CO₂ laser is experimental studied in this paper. The study shows that under determinated welding condition, an additional plasma control tube would achieve good plasma suppression, which results in good welding quality. The shielded gas flow acting on the keyhole in CO₂ laser welding of A5083 aluminum alloy is numerical simulated by finite element method. From the ANSYS numerical simulation diagrams of the keyhole’s gas flow field, it can be seen that the additional plasma control tube would achieve good plasma suppression to maintain the keyhole.

Citation Download Citation

Lei Hong, Wuzhu Cheng, Gang Wu, and Guangming Song "Influence of shielded gas flow in CO₂ laser welding of A5083 aluminum alloy", Proc. SPIE 5629, Lasers in Material Processing and Manufacturing II, (13 January 2005); https://doi.org/10.1117/12.567201

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