TiSiN nanocomposite coatings by chemical vapor deposition in a fluidized bed reactor at atmospheric pressure (AP/FBR-CVD)

J. Perez-Mariano, K. H. Lau, A. Sanjurjo, J. Caro, D. Casellas, C. Colominas

Research output: Indexed journal article Articlepeer-review

37 Citations (Scopus)

Abstract

TiSiN nanocomposite coatings were deposited on stainless steel by chemical vapor deposition in a fluidized bed reactor at atmospheric pressure (AP/FBR-CVD) by reaction of TiCl4 and SiCl4 with NH3 at 850 °C. Coatings were characterized by means of GD-OES, XPS and XRD. TiSiN coatings with a Si content of 9 at.% showed a hardness of 28 GPa (the hardness of TiN and SiNx coatings was around 21 GPa) and a lower oxidation rate under dry air at 600 °C. Our results show for the first time that AP/FBR-CVD can be tuned for the deposition of nanocomposite ceramic coatings.

Original languageEnglish
Pages (from-to)2217-2225
Number of pages9
JournalSurface and Coatings Technology
Volume201
Issue number6
DOIs
Publication statusPublished - 4 Dec 2006

Keywords

  • Coating
  • Fluidized bed
  • Nanocomposite
  • Silicon nitride
  • Titanium nitride

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