치관보철용 Hydroxyapatite의 기계적물성에 미치는 pH 및 반응온도의 영향
Effect of pH and Reaction Temperature on Mechanical Properties of Hydroxyapatite for Dental prosthesis
정인성, 허호영,
소속 상세정보
정인성 ( Chung In-Sung ) - 부산가톨릭대학교 보건과학대학 치기공학과
허호영 ( Her Ho-Young ) - 부산대학교 산업대학원 무기재료공학과
KMID : 0362120040260010089
Abstract
Hydroxyapatite powder were synthesized by precipitation method, varying pH, and reactiontemperature. The powders were heated at 1,200°… and 1,300°… for fabrication of dentalprosthesis.The results are as follows:Synthesized powder showed the smallest particle in size, under the conditions of pH 11 andreaction temperature 37°…. The hydroxyapatite was partially converted to , ?-TCP at 1,200°…and 1,300°….Mechanical strength of sample was affected by such powder preparation conditions as pH andreaction temperature and sintering temperature. The mechanical strength of sample prepared under the same conditions was increased withincreasing pH, reaction temperature and sintering temperature
키워드
Hydroxyapatite;precipitation method;pH;sintering & reaction temperature
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