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J. Korean Ceram. Soc. > Volume 41(9); 2004 > Article
Journal of the Korean Ceramic Society 2004;41(9): 715.
doi: https://doi.org/10.4191/kcers.2004.41.9.715
Hydroxyapatite/Gelatin복합체의 제조 및 압축강도
신효순, 구광모1, 이석기1
삼성전기㈜ 중앙연구소
1경일대학교 신소재ㆍ환경공학과
Preparation and Compressive Strength of Hydroxyapatite/Gelatin Composite
Shin Hyo-Soon , Koo Kwang-Mo 1, Lee Suk-Kee 1
Hydroxyapatite (HAp)/Gelatin (GEL) homogeneous composites of four different composition ratio were prepared by the co-precipitation process with synthetic HAp and GEL as a binder, HAP/GEL composites were molding by cold isostatic pressing and were sintering by various condition in air. Crystallinity and structure of sintered HAp/GEL composites were investigated by XRD and FTIR. Also, the compressive strength and the fracture surface of sintered specimens were measured by UTM and SEM. HAp/GEL composites showed a phase transformation to partially ${alpha}$, ${beta}$-tricalcium phosphate at the sintered condition of 1200$^{circ}C$ for 3 h. The porosity of sintered body was in the range of 1.2-30.2%. The compressive strength of the sintered specimens was in the range of 16.2-60.1㎫, and its strength of sintered HAp/GEL comosites was higher than expected when the porosity was considered.
Key words: Synthetic hydroxyapatite, Gelatin, Homogeneous composite, Compressive strength, Porosity
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