| Issue |
MATEC Web of Conferences
Volume 7, 2013
JA 2013 – Journées Annuelles de la SF2M 2013 / SF2M Annual Meeting 2013
|
|
|---|---|---|
| Article Number | 04002 | |
| Number of page(s) | 2 | |
| Section | Colloque 4 : Biomatériaux / Biomaterials | |
| DOI | https://doi.org/10.1051/matecconf/20130704002 | |
| Published online | 06 November 2013 | |
Procédé de nitruration d'un alliage de titane superélastique pour des applications biomédicales
Nitriding process of a superelastic titanium alloy for biomedical applications
Institut des Sciences Chimiques de Rennes, UMR 6226 CNRS INSA de Rennes, 20 avenue des Buttes de Coesmes, CS 70839, 35708 Rennes Cedex, France
Dans le cadre de ce travail, nous avons mis au point un protocole de nitruration appliqué à un alliage Ti-Nb de type beta, biocompatible et qui présente des propriétés de superélasticité. Cet alliage a ainsi subi un traitement de nitruration en phase gazeuse suivi d'un traitement de recristallisation en phase beta et d'une trempe dans l'eau. Avec ce protocole, l'alliage est nitruré en surface et sa caractéristique superélastique est maintenue. Cet ensemble de propriétés mécaniques peut s'avérer très intéressante pour différentes applications biomédicales.
Abstract
Within the framework of this work, we developed a nitriding process on biocompatible Ti-Nb based beta-type alloy which presents superelastic property. This alloy underwent a nitriding treatment, which was followed by a recrystallization in the beta phase domain before quenching in water. With this protocol, the alloy is thus hardened by the presence of the nitride on the surface while its superelastic characteristic is maintained. This whole of mechanical properties can be very interesting for various biomedical applications.
© Owned by the authors, published by EDP Sciences, 2013
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