Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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Fabrication of Water-based Ceramic Tapes Using PVP As Binder

PVP 결합제를 이용한 수계용 세라믹테이프의 제조

  • 박일석 (요업기술원 신소재분석평가팀) ;
  • 조유정 (요업기술원 신소재분석평가팀) ;
  • 이명현 (요업기술원 신소재분석평가팀) ;
  • 최세영 (연세대학교 재료공학부) ;
  • 이득용 (대림대학 재료정보공학과) ;
  • 김대준 (한국과학기술연구원 재료연구부)
  • Published : 2001.11.01
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Abstract

Water-based alumina tapes for application of all-ceramic crowns were fabricated using PVP as binder that is biocompatible, highly soluble in solvents, and no residue leftafter firing. Tensile strength of alumina tapes was governed by binder/(binder+plasticizer)ratio. On the other hand, linear shrinkage and density were determined by alumina/(alumina+organic) ratio. Composite for all-ceramic crowns, prepared by infiltration of a glass into sintered porous alumina, showed high flexural strength which increased with increasing sintered density.

세라믹 인공치관으로 응용을 위해 생체친화적이며 용매에 용해가 잘되고 연소 후 잔류물이 남지 않는 결합제인 PVP로 수계용 알루미나 테이프를 제조하였다. 알루미나 테이프의 인장강도는 결합제(b)와 가소제(p)의 비(b/b+p))에 의해, 그리고 소결체 수축과 밀도는 알루미나(a)와 유기물(o)의 비 (a/(a+o))에 의해 영향을 받았다. 소결된 가공성 알루미나 테이프에 유리를 침투시켜 강화된 세라믹 인공치관용 복합체의 강도는 소결밀도가 증가할수록 높은 값을 보였다.

Keywords

References

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