Properties of Powder Metallurgy‐Fabricated Oxygen‐Containing Beta Ti–Nb–Mo–Sn–Fe Alloys for Biomedical Applications

Ali Dehghan-Manshadi; Damon Kent; David StJohn; Matthew Dargusch

doi:10.1002/adem.201901229

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Properties of Powder Metallurgy‐Fabricated Oxygen‐Containing Beta Ti–Nb–Mo–Sn–Fe Alloys for Biomedical Applications

Journal article

Open access

Peer reviewed

Properties of Powder Metallurgy‐Fabricated Oxygen‐Containing Beta Ti–Nb–Mo–Sn–Fe Alloys for Biomedical Applications

Ali Dehghan-Manshadi, Damon Kent, David StJohn and Matthew Dargusch

Advanced Engineering Materials, Vol.22(3), 1901229

2020

DOI: https://doi.org/10.1002/adem.201901229

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Abstract

biomedical alloys

mechanical properties

oxygen

powder metallurgy

titanium

The influence of minor oxygen additions on the microstructure and mechanical properties of powder metallurgy (PM) fabricated Ti-25Nb-5Mo-3Sn-2Fe alloy is studied. The results demonstrate the positive influence of a certain oxygen content (0.35 wt%) on the microstructure and mechanical properties of sintered samples. Despite the presence of 7.0% porosity in the PM-fabricated samples of Ti-25Nb-5Mo-3Sn-2Fe-0.35O, a high strength of 682 MPa, elongation of 7.2%, and Young's modulus of 74 GPa are obtained. The strength-to-modulus ratio of this alloy is higher than most common Ti biomedical alloys, indicating that this alloy may have better suitability for orthopedic applications. Deviation in the oxygen content of the alloy from 0.35 wt% negatively impacts on the ductility of the samples.

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Title: Properties of Powder Metallurgy‐Fabricated Oxygen‐Containing Beta Ti–Nb–Mo–Sn–Fe Alloys for Biomedical Applications
Authors: Ali Dehghan-Manshadi (Corresponding Author) - University of Queensland
Damon Kent (Author) - University of the Sunshine Coast - School of Science & Engineering
David StJohn (Author) - University of Queensland
Matthew Dargusch (Corresponding Author) - University of Queensland
Publication details: Advanced Engineering Materials, Vol.22(3), 1901229
Publisher: Wiley - V C H Verlag GmbH & Co. KGaA
Date published: 2020
DOI: 10.1002/adem.201901229
ISSN: 1438-1656
Copyright note: Copyright (c) 2020. This is the peer reviewed version of the following article: Dehghan-Manshadi, A., Kent, D., StJohn, D. and Dargusch, M. (2020), Properties of Powder Metallurgy‐Fabricated Oxygen‐Containing Beta Ti–Nb–Mo–Sn–Fe Alloys for Biomedical Applications. Adv. Eng. Mater., 22: 1901229, which has been publis.hed in final form at https://doi.org/10.1002/adem.201901229. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions
Organisation Unit: School of Science and Engineering - Legacy; University of the Sunshine Coast, Queensland; School of Science, Technology and Engineering
Language: English
Record Identifier: 99450962302621
Output Type: Journal article

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Collaboration types: Domestic collaboration
Web Of Science research areas: Materials Science, Multidisciplinary