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

  • Y. L. Chen*
  • , L. G. Yu
  • , H. M. Wang
  • *Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

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.

Original languageEnglish
Pages (from-to)143-146
Number of pages4
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume3888
DOIs
StatePublished - 2000
EventHigh-Power Lasers in Manufacturing - Osaka, Jpn
Duration: 1 Nov 19995 Nov 1999

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