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http://dx.doi.org/10.4191/KCERS.2002.39.11.1028

Effect of Zirconia Addition on Mechanical Properties of Spinel/Zirconia-glass Dental Crown Composites Prepared by Melt-infiltration  

Lee, Deuk-Yong (Department of Materials Engineering, Daelim College of Technology)
Kim, Byung-Soo (Dental Material Research Center, We DongMyung Co., Ltd.)
Jang, Joo-Wung (Dental Material Research Center, We DongMyung Co., Ltd.)
Lee, Myung-Hyun (Advanced Materials Analysis and Evaluation Team, Korea Institute of Ceramic Engineering and Technology)
Park, Il-Seok (Multifunctional Ceramics Research Center, Korea Institute of Science and Technology)
Kim, Dae-Joon (Multifunctional Ceramics Research Center, Korea Institute of Science and Technology)
Publication Information
Journal of the Korean Ceramic Society / v.39, no.11, 2002 , pp. 1028-1034 More about this Journal
Abstract
Spinel/zirconia-glass composites prepared by melt-infiltration were fabricated to investigate the effect of zirconia addition on mechanical and optical properties of the composites. The infiltration distance was parabolic with respect to time as described by the Washburn equation and the penetration rate constant, K, decreased due to the reduction in pore size as the amount of zirconia rose. Although the optimum strength(308 MPa) of the Spinel/zirconia-glass composites was observed when the zirconia was added up to 20 wt%, K and transmittance decreased as the zirconia content rose. In conclusion, it suggested that the positive effect of strength as a result of the addition of zirconia was not effective.
Keywords
Spinel/Zirconia; Lanthanum-aluminosilicate glass; Melt-infiltration; Penetration Kinetic; Transmittance;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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