Effect of alloying filler metal addition on microstructure of laser beam welded SiCp/6061Al MMC

Y. L. Chen*, L. G. Yu, H. M. Wang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

SiC particle reinforced aluminum alloy metal matrix composite, SiCp/6061Al MMC, is welded by laser beam welding using nickel plates as alloying filler metal. The microstructure of the weld is characterized as the functions of laser processing parameters. Results show that the dissolution of reinforcement SiC particles and formation of the needle-like harmful Al4C3 phases are noticeably suppressed using nickel as the alloying filler metal. The new reinforcements, such as Al3Ni, AlNi, etc., are produced in-situ in the weld with laser beam welding of SiCp/6061Al MMC by using nickel plate as alloying filler metal.

Original languageEnglish
Pages (from-to)63-65
Number of pages3
JournalFuhe Cailiao Xuebao/Acta Materiae Compositae Sinica
Volume17
Issue number4
Publication statusPublished - Dec 2000
Externally publishedYes

ASJC Scopus Subject Areas

  • Ceramics and Composites
  • General Chemistry
  • Condensed Matter Physics
  • Mechanics of Materials

Keywords

  • AlNi
  • Alloying filler metal
  • Laser beam welding
  • SiC/6061Al MMC

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