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Corrosion resistance of single TiN layers, Ti/TiN bilayers and Ti/TiN/Ti/TiN multilayers on iron under a salt fog spray (phohesion) test: an evaluation by XPS

✍ Scribed by Marco, J. F.; Agudelo, A. C.; Gancedo, J. R.; Hanžel, D.

Publisher: John Wiley and Sons
Year: 1999
Tongue: English
Weight: 112 KB
Volume: 27
Category: Article
ISSN: 0142-2421
DOI: 10.1002/(sici)1096-9918(199902)27:2<71::aid-sia469>3.0.co;2-g

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✦ Synopsis

The corrosion resistance of three di †erent TiN coatings on iron (single TiN layer, Ti/TiN bilayer and Ti/TiN/Ti/TiN multilayer) subjected to a salt (ammonium sulphate and sodium chloride) fog spray (Prohesion) test has been investigated by means of x-ray photoelectron spectroscopy (XPS). The relative intensities of the Fe 2p and O 1s signals in the XPS spectra of the corroded samples increase with their extent of degradation. The results show that the corrosion resistance of these coatings decrease in the order bilayer > multilayer > single layer.