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- W2033360087 endingPage "1985" @default.
- W2033360087 startingPage "1979" @default.
- W2033360087 abstract "Internal friction measurements and complex impedance experiments have been performed on single crystal specimens of cubic stabilized zirconia. The frequency spectra observed for different temperatures, by internal friction and dielectric loss, give similar activation energies (1.29 and 1.26 eV), while the value obtained by D.C. conductivity is lightly higher (1.34 eV). Thus, it can be assumed that the oxygen jumps induced by mechanical or electrical sollicitation are very probably the same; the relaxation times deduced from the two sollicitation modes are effectively in a 3 ratio, in a good agreement with Nowick's theoretical approach L'etude en frequence des spectres obtenus a differentes temperatures en frottement interieur et en pertes dielectriques permet la mise en evidence, par les deux methodes, d'energies d'activation tres similaires (1,29 et 1,26 eV), l'energie obtenue pour la conductivite en courant continu etant legerement superieure (1,34 eV). On peut conclure que les mecanismes de saut de l'oxygene induits sous contrainte mecanique ou electrique sont tres vraisemblablement identiques; les temps de relaxation limites mesures par les deux methodes sont en effet dans un rapport de l'ordre de 3 proche des previsions theoriques de Nowick" @default.
- W2033360087 created "2016-06-24" @default.
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- W2033360087 date "1990-01-01" @default.
- W2033360087 modified "2023-09-29" @default.
- W2033360087 title "Etude par frottement intérieur et impédance complexe d'une zircone calciée cubique ZrO2-CaO" @default.
- W2033360087 cites W2022337718 @default.
- W2033360087 cites W2297148020 @default.
- W2033360087 doi "https://doi.org/10.1051/jphys:0199000510170197900" @default.
- W2033360087 hasPublicationYear "1990" @default.
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