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Proceedings Paper

Direct diode laser cladding of Co-based alloy to dual-phase stainless steel for repairing machinery parts
Author(s): Katsushige Yamada; Sou Morisita; Muneharu Kutsuna; Takeshi Ikeda
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Paper Abstract

The investigation of Laser cladding of Co-based super alloy on dual phase stainless steel have been curried out to repair the mechanical parts of power plant using 3 kW direct diode laser with high efficiency and a rectangular beam profile. In the present work, effects of process parameters such as laser power output, travel speed and defocusing distance were investigated to get a sound clad layer for repairing of the parts. Comparing the clad by conventional CO2 laser and YAG laser, wide weld bead, less dilution and less distortion could be obtained in high power diode laser cladding. This repairing technique using diode laser with a small volume is desirable for practical application to the site maintenance on parts of various kinds of plants such as power plant, chemical plant, steel plant, paper plant, etc.

Paper Details

Date Published: 3 March 2003
PDF: 6 pages
Proc. SPIE 4831, First International Symposium on High-Power Laser Macroprocessing, (3 March 2003); doi: 10.1117/12.497957
Show Author Affiliations
Katsushige Yamada, Techno-Chubu Co., Ltd. (Japan)
Sou Morisita, Techno-Chubu Co., Ltd. (Japan)
Muneharu Kutsuna, Nagoya Univ. (Japan)
Takeshi Ikeda, Fine Process Co. Ltd. (Japan)

Published in SPIE Proceedings Vol. 4831:
First International Symposium on High-Power Laser Macroprocessing
Isamu Miyamoto; Kojiro F. Kobayashi; Koji Sugioka; Reinhart Poprawe; Henry Helvajian, Editor(s)

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