Corrosion behaviour of TiN0.8O0.4 coating on 316L stainless steel alloy

Corrosion behaviour of TiN0.8O0.4 coating on 316L stainless steel alloy

Titanium oxinitride thin film with a thickness equal to 250 nm is obtained at 700 °C by the LP-MOCVD method. Analysis by photoelectron spectroscopy and by X-ray diffraction show that the composition of the deposit is TiN0.8O0.4 with a TiN structure. Morphological observation of the deposit, studied...

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Veröffentlicht in:Journal of chemical research 2003-12, Vol.2003 (12), p.786-788
Hauptverfasser: Jouaiti, A, Boulghallat, M, Lâallam, L, Oulfajrite, H, Fabreguette, F, Guillot, J, Bourgeois, S, Steinbrunn, A
Format: Artikel
Sprache:eng
Schlagworte:
Alloy steels
Austenitic stainless steels
Corrosion
Cracks
Deposits
Diffraction
Thin films
X-rays
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Zusammenfassung:Titanium oxinitride thin film with a thickness equal to 250 nm is obtained at 700 °C by the LP-MOCVD method. Analysis by photoelectron spectroscopy and by X-ray diffraction show that the composition of the deposit is TiN0.8O0.4 with a TiN structure. Morphological observation of the deposit, studied by scanning electron microscopy, indicated that the surface is rough with the presence of some fissures. Electrochemical study of samples in Ringer`s solution (9g/l of NaCl) at 37°C, showed the role played by the surface state and imperfections on the corrosion acceleration.
ISSN:1747-5198
2047-6507
DOI:10.3184/030823403322840396