Properties and microstructural aspects of TiO 2 ‐doped sintered Alumina‐Zirconia composite ceramics
Source abstract
Abstract
Abstract The effect of titania content on the densification, the phase transformation, the microstructures, and mechanical properties of 50 wt% Al 2 O 3 ‐50 wt% ZrO 2 (12 mol% CeO 2 ) was evaluated. Ceramic composites with different TiO 2 content (0.27, 5, 10 wt%) were prepared by pressureless sintering at low temperature (1400°C) for 2 hours in air. Dense ceramic was obtained by adding 5 wt% of TiO 2 loading to improved mechanical properties. The microstructure analysis provided lots of information about solid‐state reactivity in alumina‐zirconia‐titania ternary system. The content of TiO 2 strongly affected the phases evolution and the grain growth during sintering. Furthermore, a significant effect on mechanical properties and fracture behavior was also observed.
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Research context
OpenAlex topics: Advanced ceramic materials synthesis · Advanced materials and composites · Intermetallics and Advanced Alloy Properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Engineering University of Messina Messina Italy
Laboratory of Industrial Chemistry National School of Engineering University of Sfax Sfax Tunisia
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