Raksujarit, A. and Pengpat, K. and Rujijanagul, G. and Tunkasiri, T. (2010) Processing and properties of nanoporous hydroxyapatite ceramics. Materials & Designs . ISSN 0264-1275
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Method for fabrication and properties of nanoporous hydroxyapatite (HA) ceramic were described in the present work. The nanoporous hydroxyapatite was derived from nano hydroxyapatite powder and polyvinyl alcohol (as a pore former). The HA nanopowder was obtained from vibro-milling for 4 h. The nanoporous ceramics were sintered at 1200 °C. Properties of the nanoporous ceramics were investigated using various methods. Average porosity of the final product was found to be 64.6 ± 1.4%. Open and interconnected pores were obtained with an average pore size less than 100 nm, confirming the nanoporous structure of this ceramic. A high bending strength of 14.7 ± 3.2 MPa for the nanoporous ceramic, shows significant promise as a potential bone repairing material.
|Subjects:||Material Science > Nanofabrication processes and tools|
|Deposited On:||12 Feb 2010 16:26|
|Last Modified:||17 Feb 2010 05:07|
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