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Type: Artigo de periódico
Title: Development of Ti-Mo alloys for biomedical applications: Microstructure and electrochemical characterization
Author: Oliveira, NTC
Aleixo, G
Caram, R
Guastaldi, AC
Abstract: Ti-Mo alloys from 4 to 20 Mo wt.% were arc-melted. Their compositions and surfaces were analyzed by EDX, XRF and SEM. The Mo mapping shows a homogeneous distribution for all alloys. The XRD analysis showed that the crystal structure of the alloys is sensitive to the Mo concentration; a mixture of the hexagonal alpha' and orthorhombic alpha '' phases was observed for the Ti-4Mo alloy, and the alpha '' phase is observed almost exclusively when the concentration of Mo added to the Ti reaches 6%. A significant retention of the beta phase is observed for the alloy containing 10% Mo, while at higher Mo concentrations (15% and 20%), retention of phase beta is only verified. Preliminary electrochemical studies have indicated a valve-metal behavior and good corrosion resistance in aerated Ringer solution for all alloys. (c) 2006 Published by Elsevier B.V.
Subject: Ti-Mo alloys
biocompatible alloys
biomedical titanium alloys
Country: Suíça
Editor: Elsevier Science Sa
Rights: fechado
Identifier DOI: 10.1016/j.msea.2006.11.061
Date Issue: 2007
Appears in Collections:Unicamp - Artigos e Outros Documentos

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