Duplex nitriding treatment of a beta-metastable Ti94Mo6 alloy for biomedical applications

被引：12

作者：

Gordin, D. M. ^{[1
]}

Guillou, A. ^{[1
]}

Thibon, I. ^{[1
]}

Bohn, M. ^{[2
]}

Ansel, D. ^{[1
]}

Gloriant, T. ^{[1
]}

机构：

[1] INSA Rennes, CNRS, UMR 6226 Sci Chimiques Rennes Chim Met, F-35043 Rennes, France

[2] IFREMER, Ctr Brest, CNRS, UMR 6538, F-29280 Plouzane, France

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2008年 / 457卷 / 1-2期

关键词：

metals; gas-solid reactions; scanning electron microscopy; surface electron diffraction;

D O I：

10.1016/j.jallcom.2007.02.155

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In the present work, nitridation process of a biocompatible beta-type Ti94Mo6 (at.%) alloy was carried out to optimize the microhardness and brittleness surface characteristics. We propose a duplex treatment consisting of a superficial gas nitriding at high temperature followed by an annealing treatment. By this treatment, the superficial TiN layer is transformed into a nitrogen rich alpha-Ti layer with a superior adherence on the substrate. The coated Ti94Mo6 alloy combines the profitable bulk properties of the beta-type microstructure and a superior superficial microhardness reducing the wear debris in service for a use as prosthetic device. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：384 / 388

页数：5

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