Unified Landau description of the tetragonal, orthorhombic, and monoclinic phases of zirconia

被引：22

作者：

Fadda, G

Truskinovsky, L

Zanzotto, G

机构：

[1] Univ Padua, Dipartimento Metodi & Modelli Matemat Sci Appl, I-35131 Padua, Italy

[2] Univ Minnesota, Dept Aerosp Engn & Mech, Minneapolis, MN 55455 USA

来源：

PHYSICAL REVIEW B | 2002年 / 66卷 / 17期

关键词：

D O I：

10.1103/PhysRevB.66.174107

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We compute an explicit lowest-order polynomial form of the strain-dependent Gibbs potential which provides a unified description of the tetragonal, orthorhombic, and monoclinic phases of zirconia (ZrO2). The resulting energy function interpolates well the available experimental data for this material, reproducing its known elastic moduli, equilibrium strains, and phase diagram to about 1700 K and 8 GPa.

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页码：1 / 10

页数：10

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