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Aligned porous alumina ceramics with high compressive strengths for bone tissue engineering
- Issue Date
- 4월-2008
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Keywords
- porous; alumina; scaffold; freeze casting; bone tissue engineering
- Citation
- SCRIPTA MATERIALIA, v.58, no.7, pp.537 - 540
- Indexed
- SCIE
SCOPUS
- Journal Title
- SCRIPTA MATERIALIA
- Volume
- 58
- Number
- 7
- Start Page
- 537
- End Page
- 540
- ISSN
- 1359-6462
- Abstract
- We fabricated highly aligned porous alumina ceramics with interconnection sizes of >50 mu m by the unidirectional freeze casting of ceramic/camphene slurries at 3 degrees C and subsequent treatment at 35 degrees C for 24 h, followed by sintering at 1600 degrees C for 3 h. As the initial alumina content employed in the slurry was increased from 10 to 25 vol.% and the porosity was linearly decreased from 82 to 59%, while the compressive strength was remarkably improved from 11 to 95 MPa. (C) 2007 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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