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논문 기본 정보

저자정보
(부산대학교) (부산대학교) (부산대학교) (부산대학교) (부산대학교) (부산대학교)
저널정보
대한치과재료학회 대한치과재료학회지 대한치과재료학회지 제43권 제2호(통권 제110호)
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피인용 3

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    초록·키워드

    Change in hardness and microstructure during porcelain firing simulation in a Pd-Ag-In-Au metal-ceramic alloy was examined by observing the change in hardness, crystal structure and microstructure. In the as-cast specimen, the matrix was composed of the Pd3Ga phase(f.c.t.), and the particle-like structures were composed of the Pd-Ag-based phase(f.c.c.). The precipitates which covered the particle-like structures were composed of the Pd3In phase(f.c.t.). Specimen which was cooled by ice quenching after oxidation was softened due to homogenization of the microstructure, and then it was hardened due to precipitation during the simulated firing stages. The decrease in hardness by subsequent firing schedule was resulted from reduction of precipitates in the particle-like structures.

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      UCI(KEPA) : I410-ECN-0101-2017-515-000875139