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Microcracking Contributions to the Toughness of ZrO_2-Based Ceramics

Faber, K. T. (1984) Microcracking Contributions to the Toughness of ZrO_2-Based Ceramics. In: Science and technology of zirconia II. Advances in Ceramics. No.12. American Ceramic Society , Columbus, OH, pp. 293-305. ISBN 0916094642.

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Analyses are presented to evaluate two microcrack toughening situations in Zr_O2-based ceramics. The first analysis considers toughening due to stress-induced microcracking of residually strained monoclinic ZrO_2 particles. The second assesses microcracking that occurs as a consequence of the stress-induced tetragonal-monoclinic transformation. Both toughening mechanisms are characterized by a permanent dilatational strain and a modulus reduction; however, only the latter may result in a toughness enhancement or reduction. Conditions under which toughness enhancement and reduction are observed are established. The magnitudes of toughening increases from transformation-toughening and microcrack-toughening are also compared.

Item Type:Book Section
Faber, K. T.0000-0001-6585-2536
Alternate Title:Microcracking Contributions to the Toughness of ZrO2-Based Ceramics
Additional Information:© 1984 The American Ceramic Society. This research was supported in part by The Ohio State University Office of Research and Graduate Studies under the University Small Research Grant Program.
Funding AgencyGrant Number
Ohio State UniversityUNSPECIFIED
Series Name:Advances in Ceramics
Issue or Number:12
Record Number:CaltechAUTHORS:20140916-143540784
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:49752
Deposited By: George Porter
Deposited On:16 Sep 2014 22:05
Last Modified:03 Mar 2020 13:01

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