Titanium–nickel shape memory alloy foams for bone tissue engineering

Xiong, J.Y., Li, Y.C., Wang, X.J., Hodgson, P.D. and Wen, C.E. 2008, Titanium–nickel shape memory alloy foams for bone tissue engineering, Journal of the mechanical behavior of biomedical materials, vol. 1, no. 3, pp. 269-273, doi: 10.1016/j.jmbbm.2007.09.003.

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Title Titanium–nickel shape memory alloy foams for bone tissue engineering
Author(s) Xiong, J.Y.
Li, Y.C.
Wang, X.J.
Hodgson, P.D.
Wen, C.E.
Journal name Journal of the mechanical behavior of biomedical materials
Volume number 1
Issue number 3
Start page 269
End page 273
Total pages 5
Publisher Elsevier BV
Place of publication Amsterdam, Netherlands
Publication date 2008-07
ISSN 1751-6161
1878-0180
Keyword(s) TiNi alloy
foam
space-holder sintering
shape memory effect (SME)
biomaterials
Summary Titanium–nickel (TiNi) shape memory alloy (SMA) foams with an open-cell porous structure were fabricated by space-holder sintering process and characterized by scanning electron microscopy (SEM) and X-ray diffraction (XRD) analysis. The mechanical properties and shape memory properties of the TiNi foam samples were investigated using compressive test. Results indicate that the plateau stresses and elastic moduli of the foams under compression decrease with the increase of their porosities. The plateau stresses and elastic moduli are measured to be from 1.9 to 38.3 MPa and from 30 to 860 MPa for the TiNi foam samples with porosities ranged from 71% to 87%, respectively. The mechanical properties of the TiNi alloy foams can be tailored to match those of bone. The TiNi alloy foams exhibit shape memory effect (SME), and it is found that the recoverable strain due to SME decreases with the increase of foam porosity.
Language eng
DOI 10.1016/j.jmbbm.2007.09.003
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
Copyright notice ©2007, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30017244

Document type: Journal Article
Collections: Centre for Material and Fibre Innovation
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