Coating of SiC with Ti by chemical vapour deposition

  • A. Umezawa
  • , M. Yamaguchi
  • , Y. Murakoshi
  • , R. Maeda
  • , T. Sano
  • , M. Hirohashi

Research output: Contribution to journalArticlepeer-review

Abstract

Silicon carbide particle reinforced aluminium alloy composites have been studied. One of the most important problems with metal matrix composites is low interfacial bonding strength between reinforcement and matrix, which results in poor mechanical properties. This work studied the coating method with the aim of improving interfacial bonding between SiC particles and Al alloy. Titanium coated SiC plates and particles were prepared by plasma enhanced chemical vapour deposition (PECVD) using the reactant system TiCl4-H2. Continuous and adherent films on the SiC plates and particles were obtained by PECVD treatment for 2 min. Treatment by PECVD for periods greater than 2 min resulted in crack formation and agglomeration of particles. Chlorine content in the films was reduced by using laser CVD as compared with PECVD.

Original languageEnglish
Pages (from-to)243-246
Number of pages4
JournalSurface Engineering
Volume13
Issue number3
DOIs
StatePublished - 1997
Externally publishedYes

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