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HomeMaterials Science ForumMaterials Science Forum Vol. 1012Microstructural Characterization and Mechanical...

Microstructural Characterization and Mechanical Properties of As-Cast Ti-12Mo-25Nb Biocompatible New Alloy

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Abstract:

The β-titanium alloys have properties such as low elastic modulus associated with good properties mechanical, higher corrosion resistance and biocompatibility properties ideal for orthopedic application. Recent studies showed that the traditional Ti–6Al–4V alloy (α+β type) presented biological toxicity due to the presence of Al and V in its composition. In this scenario the present work aims at the fabrication and characterization of the microstructure and the mechanical properties of the as–cast Ti-12Mo-25Nb alloy. This alloy was produced by arc melting with non-consumable tungsten electrode in argon atmosphere. The material was characterized by X–ray diffraction, optical microscopy, Vickers hardness and elastic modulus by impulse excitation. The results of the microstructural characterization showed the presence of the β single phase, hardness equal to 207HV and the elastic modulus equal to 77GPa. These characteristics shows that this alloy is suitable for biomedical application such as implants.

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23rd Brazilian Conference on Materials Science and Engineering

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Periodical:

Materials Science Forum (Volume 1012)

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466-470

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https://doi.org/10.4028/www.scientific.net/MSF.1012.466

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October 2020

Authors:

Mariana Lima de Almeida*, Caio Marcello Felbinger Azevedo Cossú, Carlos Angelo Nunes, Luiz Henrique de Almeida, Sinara Borborema

Keywords:

Biomaterials, Mechanical Properties, Microstructural Characterization, Titanium Alloys

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© 2020 Trans Tech Publications Ltd. All Rights Reserved

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