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Functionally graded porous scaffolds made of Ti-based agglomerates

Nazari, Keivan A., Hilditch, Tim, Dargusch, Matthew S. and Nouri, Alireza 2016, Functionally graded porous scaffolds made of Ti-based agglomerates, Journal of the mechanical behaviour of biomedical materials, vol. 63, pp. 157-163, doi: 10.1016/j.jmbbm.2016.06.016.

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Title Functionally graded porous scaffolds made of Ti-based agglomerates
Author(s) Nazari, Keivan A.
Hilditch, TimORCID iD for Hilditch, Tim orcid.org/0000-0003-0300-5774
Dargusch, Matthew S.
Nouri, Alireza
Journal name Journal of the mechanical behaviour of biomedical materials
Volume number 63
Start page 157
End page 163
Total pages 7
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2016-10
ISSN 1751-6161
1878-0180
Keyword(s) agglomerates
titanium
porous
implant
graded scaffolds
Summary Mono- and double-layer porous scaffolds were successfully fabricated using ball-milled agglomerates of Ti and Ti-10Nb-3Mo alloy. For selectively controlling the level of porosity and pore size, the agglomerates were sieved into two different size fractions of 100-300μm and 300-500μm. Compressive mechanical properties were measured on a series of cylindrical sintered compacts with different ratios of solid core diameter to porous layer width. The graded porous scaffolds exhibited stress-strain curves typical for metallic foams with a defined plateau region after yielding. The compressive strengths and elastic moduli ranged from 300 to 700MPa and 14 to 55GPa, respectively, depending on the core diameter and the material used. The obtained properties make these materials suitable for load-bearing implant applications.
Language eng
DOI 10.1016/j.jmbbm.2016.06.016
Field of Research 091207 Metals and Alloy Materials
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, Crown Copyright
Persistent URL http://hdl.handle.net/10536/DRO/DU:30085385

Document type: Journal Article
Collection: School of Engineering
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