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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2012.1
- 수록면
- 416 - 423 (8page)
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This paper introduces an effect of a preparing ZrO2-Ag composite on its mechanical properties and microstructure.
In present study, ZrO2-Ag was prepared by reduction-deposition route and wetting dispersive milling method,respectively. Two type of Ag powders (nano Ag and micron Ag size, respectively) were dispersed into ZrO2 powder during wetting dispersive milling in D.I. water. Each sample was sintered at 1450oC for 2hr in atmosphere, and then several mechanical tests and analysis of microstructure were carried out by bending test, hardness, fracture toughness and fracture surface microstructure. As for microstructure, the Ag coated ZrO2 showed homogeneously dispersed Ag in ZrO2 in where pore defect did not appear. However, ZrO2-nano Ag and ZrO2-micro Ag composite appeared Ag aggregation and its pore defect, which carried out low mechanical property and wide error function value.
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