Zirconium Alloys for Orthopaedic and Dental Applications

Mehjabeen, A, Song, T, Xu, W, Tang, H and Ma, Q 2018, 'Zirconium Alloys for Orthopaedic and Dental Applications', Advanced Engineering Materials, vol. 20, no. 9, pp. 1-21.


Document type: Journal Article
Collection: Journal Articles

Title Zirconium Alloys for Orthopaedic and Dental Applications
Author(s) Mehjabeen, A
Song, T
Xu, W
Tang, H
Ma, Q
Year 2018
Journal name Advanced Engineering Materials
Volume number 20
Issue number 9
Start page 1
End page 21
Total pages 21
Publisher Wiley - V C H Verlag GmbH & Co. KGaA
Abstract Zirconium alloys for biomedical applications are receiving increasing attention due to their two unique properties: 1) the formation of an intrinsic bone-like apatite layer on their surfaces in body environments, and 2) better compatibility with magnetic resonance imaging (MRI) diagnostics due to their low magnetic susceptibility, as well as their overall excellent biocompatibility, mechanical properties, and bio-corrosion resistance. In particular, since both of the MRI quality and speed depend on magnetic field strength, there is a compelling drive for use of high magnetic field strength (>3 Tesla) MRI systems. This paper provides a comprehensive review of the characteristics of commercially pure (CP) Zr and Zr-based alloys as orthopaedic and dental implant materials. These include their 1) phase transformations; 2) unique properties including corrosion resistance, biocompatibility, magnetic susceptibility, shape memory effect, and super-elasticity; 3) mechanical properties; 4) current orthopaedic and dental applications; and 5) the d-electron theory for Zr alloy design and novel Zr-alloys. The mechanical properties of Zr-based bulk metallic glasses (BMGs) and their application as implant materials are also assessed. Future directions for extending the use of Zr-alloys as orthopaedic and dental implants are discussed.
Subject Metals and Alloy Materials
Keyword(s) biocompatibility
d-electron theory
implants
magnetic susceptibility
zirconium alloys
DOI - identifier 10.1002/adem.201800207
Copyright notice © 2018 WILEY-VCH Verlag GmbH and Co. KGaA, Weinheim
ISSN 1438-1656
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