Structural Changes by Compressive Stresses of 2.0‐mol%‐Yttria‐Stabilized Tetragonal Zirconia Polycrystals
- 1 May 1989
- journal article
- Published by Wiley in Journal of the American Ceramic Society
- Vol. 72 (5) , 854-855
- https://doi.org/10.1111/j.1151-2916.1989.tb06232.x
Abstract
Reorientation of the tetragonal (002) peak in tetragonal ZrO2 polycrystals (TZP) (so‐called domain switching) was studied by XRD and residual stress measurement using TZP specimens containing 2.0 mol% Y2O3 that had undergone mechanical and thermal treatments and compressive stress. The observed domain switching was due to a preferred transformation of the tetragonal phase caused by compressive stress above 70 MPa leading to a remnant c‐axis orientation normal to the compressive direction. Domain switching did not depend on thermal stress but arose directly from the tetragonal phase with little relation to monoclinic phase.Keywords
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