Biswas, Narayan Chandra and Chaudhuri, S P (1998) Sintering and fracture toughness of alumina-zirconia composites. Indian Journal of Engineering and Materials Science, 5 (5). pp. 307-311. ISSN 0971-4588

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Microstructure, grain growth and fracture toughness of alumina-zirconia composites prepared from commercial grade technical alumina and imported zirconia were studied. Ostwald ripening and coalescence of ZrO2 and Al2O3 grains were observed. Fracture toughness of the composites having different phase assemblages seemed to be controlled by the transformation toughening and microcracking toughening mechanisms. Highest fracture toughness of the order of 5.5 MN m(-3/2) was found for the composite prepared from a batch of Al2O3 + 29.5% ZrO2 + 1.5% Y2O3.

Item Type: Article
Subjects: Engineering Materials
Depositing User: Bidhan Chaudhuri
Date Deposited: 10 Jul 2012 08:17
Last Modified: 10 Jul 2012 08:17

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