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Microstructure and mechanical properties of Ti-15Zr alloy used as dental implant material

Medvedev, Alexander E., Molotnikov, Andrey, Lapovok, Rimma, Zeller, Rolf, Berner, Simon, Habersetzer, Philippe and Dalla Torre, Florian 2016, Microstructure and mechanical properties of Ti-15Zr alloy used as dental implant material, Journal of the mechanical behavior of biomedical materials, vol. 62, pp. 384-398, doi: 10.1016/j.jmbbm.2016.05.008.

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Title Microstructure and mechanical properties of Ti-15Zr alloy used as dental implant material
Author(s) Medvedev, Alexander E.
Molotnikov, Andrey
Lapovok, Rimma
Zeller, Rolf
Berner, Simon
Habersetzer, Philippe
Dalla Torre, Florian
Journal name Journal of the mechanical behavior of biomedical materials
Volume number 62
Start page 384
End page 398
Total pages 15
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2016-09
ISSN 1878-0180
Keyword(s) Dental implants
Fatigue
Microstructure
SLA (Sand blasting and acid etching)
Ti–Zr alloy
Summary Ti-Zr alloys have recently started to receive a considerable amount of attention as promising materials for dental applications. This work compares mechanical properties of a new Ti-15Zr alloy to those of commercially pure titanium Grade4 in two surface conditions - machined and modified by sand-blasting and etching (SLA). As a result of significantly smaller grain size in the initial condition (1-2µm), the strength of Ti-15Zr alloy was found to be 10-15% higher than that of Grade4 titanium without reduction in the tensile elongation or compromising the fracture toughness. The fatigue endurance limit of the alloy was increased by around 30% (560MPa vs. 435MPa and 500MPa vs. 380MPa for machined and SLA-treated surfaces, respectively). Additional implant fatigue tests showed enhanced fatigue performance of Ti-15Zr over Ti-Grade4.
Language eng
DOI 10.1016/j.jmbbm.2016.05.008
Field of Research 091207 Metals and Alloy Materials
0903 Biomedical Engineering
0912 Materials Engineering
0913 Mechanical Engineering
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30084834

Document type: Journal Article
Collection: Institute for Frontier Materials
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Created: Mon, 11 Jul 2016, 09:20:49 EST

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