Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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Microstructure Evolution of Solid State Reacted HAp/β-TCP Composite Powders by Post-Treatment Processing

후처리공정에 따른 고상반응 β-TCP/HAp 복합분체의 미세구조 변화

  • Published : 2004.08.01
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Abstract

Biphasic Calcium Phosphate (BCP) consisted of hydroxyapatite (HAp) and $\beta$-tricalcium phosphate (P-TCP) has been prepared by solid state reaction. The size reduction of the resultant BCP agglomerate was carried out by reaction with hot water under atmospheric condition uld also under high pressure using an autoclave. The influence of processing conditions on the change of crystalline phase and composition, relative amount of constituent, specific surface area, and microstructure was investigated by means of XRD, FT-IR, BET method using a nitrogen adsorption and SEM.

수산화아파타이트(HAp) 및 P-인산3칼슘($\beta$-TCP)으로 구성되는 2상 인산칼슘염(BCP)을 고상반응법으로 합성하고, 이를 상압 및 autoclave를 이용한 고압에서 수열반응 시킴으로써 응집입자의 미세화를 시도하였다. 이 과정에서 일어나는 결정 상 및 화학조성, 구성상의 상대적인 양, 비표면적, 미세구조의 변화에 미치는 공정조건의 영향을 XRD, FT-IR, 질소흡착에 의한 BET법, SEM을 이용하여 검토하였다.

Keywords

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