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Proceedings Paper

Effect of in-situ weld alloying on microstructure of laser-beam-welded SiCp/6061Al metal matrix composite
Author(s): Yong-Lai Chen; L. G. Yu; Hua Ming Wang
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Paper Abstract

'In-situ' weld-alloying/laser beam welding is utilized to join SiC particle reinforced aluminum alloy metal matrix composite (SiCp/Al MMC) with titanium as the alloying element. Microstructure of the weld is characterized as functions of alloying content and processing parameters. Formation of the needle-like Al4C3 phase is suppressed and a composite reinforced by TiC and Ti5Si3 phase is produced in the laser welded joint on SiCp/Al MMC by weld-alloying with titanium. It is demonstrated that 'in-situ' weld- alloying/laser beam welding is a promising processing method for joining of SiCp/Al MMCs.

Paper Details

Date Published: 7 February 2000
PDF: 4 pages
Proc. SPIE 3888, High-Power Lasers in Manufacturing, (7 February 2000); doi: 10.1117/12.377010
Show Author Affiliations
Yong-Lai Chen, 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. 3888:
High-Power Lasers in Manufacturing
Xiangli Chen; Tomoo Fujioka; Akira Matsunawa, Editor(s)

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