Influence of Zirconia Content and Grain Size on Physical and Mechanical Properties of Zirconia Toughened Alumina Ceramics

Abstract:

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Physical and mechanical properties as well as microstructure of zirconia toughened alumina ceramics with different zirconia content were tested. The results show that the best physical and mechanical properties are obtained in sub-micron composite ceramic when zirconia content is 25%; while the physical and mechanical properties of nano-zirconia toughened alumina ceramics are far better than those of sub-micron zirconia toughened alumina ceramics. Therefore physical and mechanical properties of ceramics can be improved significantly by adding proper amount of zirconia into alumina matrix and refining zirconia particles.

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Periodical:

Edited by:

Xudong Wang, Baoyu Xu and Shaobo Zhong

Pages:

485-488

DOI:

10.4028/www.scientific.net/AMM.143-144.485

Citation:

B. Y. Du et al., "Influence of Zirconia Content and Grain Size on Physical and Mechanical Properties of Zirconia Toughened Alumina Ceramics", Applied Mechanics and Materials, Vols. 143-144, pp. 485-488, 2012

Online since:

December 2011

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$35.00

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