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3Y-TZP/Al2O3 composites were pressureless sintered with the addition of TiO2-MnO2 and CaO-Al2O3-SiO2 glass. The densification, microstructure and mechanical properties of the composites were investigated. It was found that the composites could be densified at a temperature as low as 1400 degrees C by liquid phase sintering. The majority of the grain sizes for both Al2O3 and ZrO2 were below 1 mu m because of the lower sintering temperature. A bending strength of 934 +/- 28 MPa and fracture toughness of 7.82 +/- 0.19 MPam(1/2) were obtained for 3Y-TZP/Al2O3 (20 vol%) composite. Transformation toughening is considered the responsible toughening mechanism. (C) 2005 Springer Science + Business Media, Inc.
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JOURNAL OF MATERIALS SCIENCE
ISSN： 0022-2461
Year： 2005
Issue： 7
Volume： 40
Page： 1693-1697
0 . 9 0 1
JCR@2005
3 . 5 0 0
JCR@2023
ESI Discipline： MATERIALS SCIENCE;
JCR Journal Grade：2
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ESI Highly Cited Papers on the List： 0 Unfold All
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30 Days PV： 1
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