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Materials and Manufacturing Processes Volume 29, 2014 - Issue 1
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Original Articles

Porous Hydroxyapatite Scaffolds with Unidirectional Macrochannels Prepared via Ice/Fiber-Templated Method

Zhi Huang State Key Laboratory of Powder Metallurgy, Central South University, Changsha, China; Institute of Biomedical Engineering, School of Geosciences and Info-Physics Engineering, Central South University, Changsha, China
,
Kechao Zhou State Key Laboratory of Powder Metallurgy, Central South University, Changsha, China
&
Dou Zhang State Key Laboratory of Powder Metallurgy, Central South University, Changsha, ChinaCorrespondence[email protected]
Pages 27-31 | Received 27 Apr 2013, Accepted 26 Aug 2013, Published online: 11 Feb 2014
 
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Abstract

A novel ice/fiber-templated method was employed for the fabrication of hydroxyapatite scaffolds with the macro-channels of 250–350μm and lamellae spacings of 5–130μm. The macrochannels were formed by fibers, and the lamellae spacings were formed by ice crystals. As the final porosity of the ice/fiber-templated hydroxyapatite scaffolds increased from 56%to 73.6%, the corresponding compressive strengths decreased from 2.08 to 0.98 MPa. The results indicated that the microstructures and compressive strengths of the ice/fiber-templated hydroxyapatite scaffolds could be controlled by varying the solid loadings and packing densities of fibers.

Notes

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