Effect of in-situ weld alloying on microstructure of laser-beam-welded SiCp/6061Al metal matrix composite

Yong-Lai Chen; L. G. Yu; Hua Ming Wang

doi:10.1117/12.377010

7 February 2000 Effect of in-situ weld alloying on microstructure of laser-beam-welded SiCp/6061Al metal matrix composite

Yong-Lai Chen, L. G. Yu, Hua Ming Wang

Author Affiliations +

Proceedings Volume 3888, High-Power Lasers in Manufacturing; (2000) https://doi.org/10.1117/12.377010
Event: Advanced High-Power Lasers and Applications, 1999, Osaka, Japan

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.

Citation Download Citation

Yong-Lai Chen, L. G. Yu, and Hua Ming Wang "Effect of in-situ weld alloying on microstructure of laser-beam-welded SiCp/6061Al metal matrix composite", Proc. SPIE 3888, High-Power Lasers in Manufacturing, (7 February 2000); https://doi.org/10.1117/12.377010

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