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http://dx.doi.org/10.4191/KCERS.2004.41.9.715

Preparation and Compressive Strength of Hydroxyapatite/Gelatin Composite  

Shin Hyo-Soon (삼성전기㈜ 중앙연구소)
Koo Kwang-Mo (경일대학교 신소재ㆍ환경공학과)
Lee Suk-Kee (경일대학교 신소재ㆍ환경공학과)
Publication Information
Journal of the Korean Ceramic Society / v.41, no.9, 2004 , pp. 715-721 More about this Journal
Abstract
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.
Keywords
Synthetic hydroxyapatite; Gelatin; Homogeneous composite; Compressive strength; Porosity;
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Times Cited By KSCI : 2  (Citation Analysis)
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