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

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Resum

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.

Idioma originalAnglès
Pàgines (de-a)2217-2225
Nombre de pàgines9
RevistaSurface and Coatings Technology
Volum201
Número6
DOIs
Estat de la publicacióPublicada - 4 de des. 2006

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