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https://scholarbank.nus.edu.sg/handle/10635/107115
Title: | Mechanochemical synthesis of hydroxyapatite from calcium oxide and brushite | Authors: | Yeong, B. Junmin, X. Wang, J. |
Issue Date: | Feb-2001 | Citation: | Yeong, B.,Junmin, X.,Wang, J. (2001-02). Mechanochemical synthesis of hydroxyapatite from calcium oxide and brushite. Journal of the American Ceramic Society 84 (2) : 465-467. ScholarBank@NUS Repository. | Abstract: | Fine hydroxyapatite (HA) powders were prepared by mechanically activating a mixture of calcium oxide and brushite powders in a high-energy shaker mill. A defective HA phase was formed when the starting powder mixture was activated for ≤20 h. When the mixture was calcined at 800 °C, it was converted to β-tricalcium phosphate. In contrast, a nanocrystalline HA phase was formed when the mechanical activation was extended to 30 h. The material was transformed to a HA compound (Ca10(PO4)6(OH)2) of high crystallinity when it was calcined at 800 °C. | Source Title: | Journal of the American Ceramic Society | URI: | http://scholarbank.nus.edu.sg/handle/10635/107115 | ISSN: | 00027820 |
Appears in Collections: | Staff Publications |
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