Surface properties of the in situ formed ceramics reinforced composite coatings on TI-3AL-2v alloys

  • Peng Liu*
  • , Wei Guo
  • , Dakui Hu
  • , Hui Luo
  • , Yuanbin Zhang
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The synthesis of hard composite coating on titanium alloy by laser cladding of Al/Fe/Ni+C/Si 3N 4 pre-placed powders has been investigated in detail. SEM result indicated that a composite coating with metallurgical joint to the substrate was formed. XRD result indicated that the composite coating mainly consisted of γ-(Fe, Ni), FeAl, Ti 3Al, TiC, TiNi, TiC 0.3N 0.7, Ti 2N, SiC, Ti 5Si 3 and TiNi. Compared with Ti-3Al-2V substrate, an improvement of the micro-hardness and the wear resistance was observed for this composite coating.

Original languageEnglish
Article number1250009
JournalSurface Review and Letters
Volume19
Issue number2
DOIs
StatePublished - Apr 2012

Keywords

  • Surface properties
  • composites
  • surface modification
  • wear

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