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http://dx.doi.org/10.4191/KCERS.2010.47.3.244

Fabrication of Porous Calcium Phosphate by Using a Pre-Form of Nature Material  

Lee, Sang-Jin (Department of Advanced Materials Science and Engineering, Mokpo National University)
Lee, Hoon-Cheol (Department of Advanced Materials Science and Engineering, Mokpo National University)
Publication Information
Journal of the Korean Ceramic Society / v.47, no.3, 2010 , pp. 244-248 More about this Journal
Abstract
Porous calcium phosphates were successfully fabricated by using a cuttlefish bone. The cuttlefish bone, which is composed of $CaCO_3$, showed a special porous microstructure containing uniform-sized voids. In this study, the pre-forms infiltrated distilled phosphoric acid were sintered at $1200^{\circ}C$ in an air atmosphere. The porous microstructure of the pre-forms was kept their original pattern after sintering with a synthesis of calcium phosphate. The obtained porous calcium phosphate, sintered at $1200^{\circ}C$ for 3 h at 17% concentration of phosphoric acid, showed uniform open pores of 150 ${\mu}m$ in size and $\beta$-TCP phase in the XRD patterns. Above 16% concentration, CaO phase, derived from the decomposition of $CaCO_3$, decreased gradually in the sintered samples, and the measured Ca/P ratios of the samples prepared from 16% and 18% concentration were 1.67 and 1.43, which are close to stoichiometric HA (1.66) and $\beta$-TCP (1.50).
Keywords
Cuttlefish bone; Calcium phosphate; Phosphoric acid; Porous microstructure;
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Times Cited By KSCI : 5  (Citation Analysis)
Times Cited By SCOPUS : 2
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