Contributions of Transformation and Microcracking to the Plastic Deformation of Magnesia‐Partially‐Stabilized Zirconia

Warren J. Batchelor, Trevor R. Finlayson, Anita K. Gross

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Abstract

The measured plastic deformation of Mg‐PSZ under stress contains contributions from both transformation and microcracking. A method is described to separate the contributions from transformation and microcracking for samples deformed in uniaxial tension. Such a separation enables the ratio of the longitudinal to transverse strains arising from the transformation to be estimated. The results are compared to the predictions of the shear–dilatation model of Chen and Reyes‐Morel. Serious discrepancies are found between the experimental results and the predictions of the model and the possible reason for this is discussed.

Original languageEnglish
Pages (from-to)1895-1897
Number of pages3
JournalJournal of the American Ceramic Society
Volume76
Issue number7
DOIs
Publication statusPublished - 1 Jan 1993

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