주형온도가 CP Ti의 주조성에 미치는 영향
Influence of the Mold Temperature on the Castability of CP Ti
정종현, 고은경, 주규지,
소속 상세정보
정종현 ( Jung Jong-Hyun ) - 광주보건대학교 치기공과
고은경 ( Ko Eun-Kyoung ) - 전남대학교 치의학전문대학원 치과재료학교실 및 치과재료연구소
주규지 ( Joo Kyu-Ji ) - 광주보건대학교 치기공과
KMID : 0362120060280010009
Abstract
The purpose of this study was to evaluate the titanium castability with a spin typecasting machine(TiCast, Super R, Selec, Osaka. Japan). We tested phosphate bondedinvestment “Rematitan?Plus(Dentaurum, Inc., Pforzheim, Germany)”of mesh grid patternand plate pattern. Four different mold temperatures(room temperature, 200℃, 400℃and600℃) were prepared for the present study. In mesh grid pattern with spruing of φ0.88㎜dimeter, when the mold temperature increased, high percentage of castability was gained.Mold temperature showed a highly significant(p<0.05) correlation on the castability, Inplate pattern, the higher the mold temperature during casting, the greater the adhesivephenomenon between Ti surface and the investment.
키워드
the titanium castability;a spin type casting machine;phosphate bondedinvestment;mesh grid pattern and plate pattern
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