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Published July 1981 | public
Journal Article

Toughening of Ceramics by Circumferential Microcracking

Abstract

An approximate analysis is presented of the toughening induced by the incorporation of second-phase particles subject to microcracking. It is demonstrated that the toughening becomes appreciable for a narrow size distribution of particles of appropriate size. The magnitude of the toughening is determined by the mismatch strain (due to thermal contraction incompatibility) and the microfracture resistance of the particle/matrix interface. Implications for designing optimally tough ceramics are presented.

Additional Information

© 1981 The American Ceramic Society. Received February 19, 1980: revised copy received September 22. 1980. Supported by the Office of Naval Research under Contract No. N00014-79-C-0159. The research of K. T. Faber was supported by the Carborundum Co.

Additional details

Created:
August 19, 2023
Modified:
October 17, 2023