Effect of laser power on clad metal in laser-TIG combined metal cladding

Akihiro Utsumi; Takanori Hino; Jun Matsuda; Takashi Tasoda; Masafumi Yoneda; Munehide Katsumura; Tetsuo Yano; Takao Araki

doi:10.1117/12.497595

3 March 2003 Effect of laser power on clad metal in laser-TIG combined metal cladding

Akihiro Utsumi, Takanori Hino, Jun Matsuda, Takashi Tasoda, Masafumi Yoneda, Munehide Katsumura, Tetsuo Yano, Takao Araki

Author Affiliations +

Proceedings Volume 4831, First International Symposium on High-Power Laser Macroprocessing; (2003) https://doi.org/10.1117/12.497595
Event: LAMP 2002: International Congress on Laser Advanced Materials Processing, 2002, Osaka, Japan

Abstract

TIG arc welding has been used to date as a method for clad welding of white metal as bearing material. We propose a new clad welding process that combines a CO₂ laser and a TIG arc, as a method for cladding at high speed. We hypothesized that this method would permit appropriate control of the melted quantity of base metal by varying the laser power. We carried out cladding while varying the laser power, and investigated the structure near the boundary between the clad layer and the base metal. Using the laser-TIG combined cladding, we found we were able to control appropriately the degree of dilution with the base metal. By applying this result to subsequent cladding, we were able to obtain a clad layer of high quality, which was slightly diluted with the base metal.

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Akihiro Utsumi, Takanori Hino, Jun Matsuda, Takashi Tasoda, Masafumi Yoneda, Munehide Katsumura, Tetsuo Yano, and Takao Araki "Effect of laser power on clad metal in laser-TIG combined metal cladding", Proc. SPIE 4831, First International Symposium on High-Power Laser Macroprocessing, (3 March 2003); https://doi.org/10.1117/12.497595

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