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Influence of oxidation on the structural and mechanical properties of TiAlSiN coatings synthesized by multi-plasma immersion ion implantation and deposition

  • Z. W. Xie
  • , L. P. Wang*
  • , X. F. Wang
  • , L. Huang
  • , Y. Lu
  • , J. C. Yan
  • *Corresponding author for this work
  • Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

TiAlSiN nanocomposite and TiN coatings were synthesized by multi-plasma immersion ion implantation and deposition. The structure, hardness and tribological properties of both coatings oxidized at 800°C were characterized by X-ray diffraction, scanning electron microscopy, X-ray photoelectron spectroscopy, high resolution transmission electron microscopy, nano-indentation and ball-on-disk tests. The results show that the TiN coating was oxidized almost completely after air exposure at 800°C. Except for a thin oxidized layer formed on the top surface containing TiO 2, Al 2O 3 and SiO 2, the cross section of the TiAlSiN coating remained in its original configuration after oxidation. Analysis revealed that the oxidized layer remained in a similar structure as before oxidation, which is TiO 2 nanocrystals embedded in an amorphous SiO 2 matrix. The hardness results show that the TiAlSiN coating after oxidation maintained a similar hardness as the un-oxidized coating. In addition, the TiAlSiN coating also showed a high wear resistance at 800°C.

Original languageEnglish
Pages (from-to)1-5
Number of pages5
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume271
DOIs
StatePublished - 15 Jan 2012

Keywords

  • Coating
  • Hardness
  • Oxidation
  • TiAlSiN
  • Wear

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