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Proceedings Paper

Laser beam welding of SiC-particle-reinforced aluminum metal matrix composite
Author(s): Yong-Lai Chen; A. Shaban; L. G. Yu; Hua Ming Wang
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Paper Abstract

In this paper, SiC particle reinforced aluminum metal matrix composite (SiCp/Al MMC) is welded with high power continuous wave CO2 laser. Microstructure of the laser beam welded SiCp/Al MMC is characterized as functions of laser processing parameters (laser power density, welding speed, shielding gas flow direction, etc.). Results show that sound weld with few porosity can be produced by laser beam welding, while needle-like aluminum carbide is formed in the weld. The size and volume fraction of aluminum carbide are proportional to the laser power density. Direction of shielding gas flow has significant effect on weld surface quality and weld microstructure.

Paper Details

Date Published: 8 September 1999
PDF: 5 pages
Proc. SPIE 3862, 1999 International Conference on Industrial Lasers, (8 September 1999); doi: 10.1117/12.361108
Show Author Affiliations
Yong-Lai Chen, Beijing Univ. of Aeronautics and Astronautics (China)
A. Shaban, Beijing Univ. of Aeronautics and Astronautics (China)
L. G. Yu, Beijing Univ. of Aeronautics and Astronautics (China)
Hua Ming Wang, Beijing Univ. of Aeronautics and Astronautics (China)


Published in SPIE Proceedings Vol. 3862:
1999 International Conference on Industrial Lasers
Fuxi Gan; Horst Weber; Zaiguang Li; Qingming Chen, Editor(s)

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