Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/29364
Title: Corrosion behaviour of laser gas nitrided Ti-6Al-4V in HCl solution
Authors: Razavi, RS
Salehi, M
Ramazani, M
Man, HC 
Keywords: Titanium
Polarization
XPS
Passive films
Issue Date: 2009
Source: Corrosion science, 2009, v. 51, no. 10, p. 2324-2329 How to cite?
Journal: Corrosion Science 
Abstract: Laser surface nitriding of Ti-6Al-4V alloy was carried out with a Nd:YAG pulsed laser. The microstructure and corrosion behaviour of the nitrided samples were examined, using SEM, XRD, XPS, and anodic polarization tests in 2 M HCl solution. Laser nitriding produced a thin continuous TiN layer followed by TiN dendrites and TiN0.3 needles. The laser nitrided specimen exhibited less corrosion current density, passivated more readily and also, maintained a lower current density over the duration of the experiment. This was correlated with the formation of very thin, continuous TiNxOy film, which could retard chloride ions ingress into the substrate.
URI: http://hdl.handle.net/10397/29364
ISSN: 0010-938X
DOI: 10.1016/j.corsci.2009.06.016
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