Nonhydrostatic stabilization of an orthorhombic phase of zirconia - Archive ouverte HAL
Article Dans Une Revue Physical Review B: Condensed Matter and Materials Physics (1998-2015) Année : 2003

Nonhydrostatic stabilization of an orthorhombic phase of zirconia

Résumé

An explicit polynomial strain-energy function for tetragonal-orthorhombic-monoclinic zirconia (ZrO2), calibrated from the conventional hydrostatic p−T phase diagram, is used to study the effects of nonhydrostatic loading on the phase equilibria in this material. Several representative sections of the phase diagram of ZrO2 in temperature and stress space, containing both triple and critical points, are computed. A new orthorhombic structure of ZrO2 is predicted to be the most stable phase for a variety of experimentally accessible shear loads, in a wide range of temperatures and pressures.
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Dates et versions

hal-00111394 , version 1 (29-07-2019)

Identifiants

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Giuseppe Fadda, Lev Truskinowsky, Giovanni Zanzotto. Nonhydrostatic stabilization of an orthorhombic phase of zirconia. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2003, 68 (13), ⟨10.1103/PhysRevB.68.134106⟩. ⟨hal-00111394⟩
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