PMID: 15348321Sep 7, 2004Paper

Corrosion behavior of PIRAC nitrided Ti-6Al-4V surgical alloy

Journal of Materials Science. Materials in Medicine
D StarosvetskyI Gotman

Abstract

Hard titanium nitride (TiN) coatings were obtained on the surface of Ti-6Al-4V alloy using an original PIRAC nitriding method, based on annealing the samples under a low pressure of monatomic nitrogen created by selective diffusion of N from the atmosphere. PIRAC nitrided samples exhibited excellent corrosion resistance in Ringer's solution in both potentiodynamic and potentiostatic tests. The anodic current and metal ion release rate of PIRAC nitrided Ti-6Al-4V at the typical corrosion potential values were significantly lower than those of the untreated alloy. This, together with the excellent adhesion and high wear resistance of the TiN coatings, makes PIRAC nitriding an attractive surface treatment for Ti-6Al-4V alloy surgical implants.

Citations

Nov 20, 2015·BioMed Research International·Ruud P van HovePeter A Nolte
Dec 9, 2014·Microscopy and Microanalysis : the Official Journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada·Guy SovakAnna Weiss

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