Microwelding of ultrathin metal foil using Yb-fiber laser

Seo-jeong Park; Etsuji Ohmura; Isamu Miyamoto

doi:10.1117/12.499620

19 February 2003 Micro welding of ultra thin metal foil using Yb-fiber laser

Seo-jeong Park, Etsuji Ohmura, Isamu Miyamoto

Proceedings Volume 4830, Third International Symposium on Laser Precision Microfabrication; (2003) https://doi.org/10.1117/12.499620
Event: LAMP 2002: International Congress on Laser Advanced Materials Processing, 2002, Osaka, Japan

Abstract

Present study was performed to determine the welding conditions for sound welding, efficiency and process of bead formation using Yb fiber laser for ultra thin metal foil (SUS304, thickness: 10~60μm). The influence of assist gas was investigated by the measurement of bead width at different gas flow rate and the conditions of keyhole welding was estimated with metal foil. Relationship between experimental results and thermal conduction calculation based on moving line heat source model was also investigated. Sound lap welding of 20μm to 30μm thickness was obtained.

Citation Download Citation

Seo-jeong Park, Etsuji Ohmura, and Isamu Miyamoto "Micro welding of ultra thin metal foil using Yb-fiber laser", Proc. SPIE 4830, Third International Symposium on Laser Precision Microfabrication, (19 February 2003); https://doi.org/10.1117/12.499620

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