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J. Korean Ceram. Soc. > Volume 40(11); 2003 > Article
Journal of the Korean Ceramic Society 2003;40(11): 1096.
doi: https://doi.org/10.4191/kcers.2003.40.11.1096
Si 치환 Hydroxyapatite의 소결 특성에 관한 연구
이윤주, 김영희, 김수룡, 정상진, 류도형1, 송희, 전무진2
요업기술원 세라믹·건재본부
1요업기술원 나노소재응용본부
2연세대학교 화학과
Study on the Sinterability of Silicon Substituted Hydroxyapatite
ABSTRACT
Si -substituted hydroxyapatite has been prepared to obtain biomaterials having an improved biocompatibility. From FT-IR, XRD, and ICP analyses, it was confirmed that the single-phase of hydroxyapatite substituted by Si has formed. Si- substituted hydroxyapatite of up to 2 wt% for Si keeps its original structures intact for the sintering temperatures of up to 1200$^{circ}C$. However, it is observed that the ion substitutions by the amount higher than the above ratios for the hydroxyapatite leads to destabilize original structures of the hydroxyapatite and to produce tricalcium phosphate and calcium phosphate silicate phases when the samples were sintered at 1l00$^{circ}C$ or higher.
Key words: Hydroxyapatite, Silicon, Substitution, Bone, Biocompatibility
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