A study on synthesized hydroxylapatite bioceramics
作者： Feng-Huei Lin , Tzung-Li Harn , Min-Hsiung Hon
DOI: 10.1016/0272-8842(89)90048-5
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摘要: Abstract Sodium-doped hydroxylapatite powder was synthesized by the wet chemical method. Powder behavior, thermal stability, mechanical strength and biocompatibility were investigated. The consisted of needles 1800 A in width 260 length. particle size, specific area (BET) Ca/P atomic ratio 0·1–0·3 μm, 29·9 m 2 /g 1·62 respectively. large amount absorbed water existed powder, evaporated on heating to 1000°C. Differential analysis showed that no phase transformation occurred during 1250°C. After at 1250°C for 1 h, OH bond still found IR spectrophotometry. optimum sintering condition 1200°C 4 this resulted 680 MPa compressive strength, 1-1·3 μm mean grain size 99% T.D. cytotoxicity had excellent tissue compatibility. This possesses a high potential bone implantation.
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