Fracture strength and damage resistance of slip cast Y-TZP/Ce-TZP layered composites |
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| Authors: | H C Park T Y Yang R Stevens |
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| Affiliation: | (1) School of Materials Science and Engineering, Pusan National University, Pusan, 609-735, Korea;(2) Department of Applied Science and Engineering, Bath University, Bath, BA2 9JT, UK |
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| Abstract: | Asymmetric, three- and symmetric five-layer Y-TZP/Ce-TZP composites have been prepared by sequential slip casting and pressureless sintering at 1400–1600°C in air. The three-layer material sintered at 1500°C showed the maximum fracture strength (534 MPa), measured by a diametral compression test and failed by the triple-cleft mode of fracture. Contact damage resistance was superior in three-layer composite compared with five-layer, possibly due to the development of relatively large residual compressive stress. |
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