Preparation and characterisation of porous hydroxyapatite bioceramic via a slip-casting route

Dean-Mo LIu*

*此作品的通信作者

研究成果: Article同行評審

120 引文 斯高帕斯(Scopus)

摘要

Porous hydroxyapatite bioceramic was fabricated using a casting method by mixing a polymeric powder with a slip containing fine hydroxyapatite powders. The rheology of the ceramic slip was examined. After sintering, the resultant porous hydroxyapatite bioceramic was characterised in terms of the porous microstructure and mechanical properties. The experimental results demonstrated that the resultant porous ceramic with a successful control of pore size and porosity characters can be obtained. The flexural strength (σf) of the porous hydroxyapatite ceramic decreased with increased macropore size and correlated well with the porosity (p) by an exponential function: σf = 115 exp (-4.5 p) MPa. The Young's modulus (E) of the porous bioceramic can also be adequately described by E= 140 exp (-4.2 p).

原文English
頁(從 - 到)441-446
頁數6
期刊Ceramics International
24
發行號6
DOIs
出版狀態Published - 1 一月 1998

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