Temperature Dependence of Domain Contributions as a Function of Aging in Soft and Hard Lead Zirconate Titanate Piezoelectric Ceramics

The stress and temperature dependence of three different lead zirconate titanate ceramics have been measured at 48 h and 1 month after poling. The data were fit to a modified Rayleigh law in which a negative quadratic stress term accounts for a saturation of the domain wall contributions at higher s...

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Bibliographic Details
Published in:IEEE transactions on ultrasonics, ferroelectrics, and frequency control ferroelectrics, and frequency control, 2017-06, Vol.64 (6), p.1023-1028
Main Authors: Qaisar, S. Adam, Comyn, Tim P., Bell, Andrew J.
Format: Article
Language:English
Subjects:
Aging
Ceramics
Charge measurement
Constants
Deoxidizing
Dipoles
Fittings
Piezoelectric ceramics
Piezoelectricity
Relaxation time
Saturation
Stress
Stress concentration
Stress measurement
Stress relaxation
Temperature dependence
Temperature measurement
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Summary:The stress and temperature dependence of three different lead zirconate titanate ceramics have been measured at 48 h and 1 month after poling. The data were fit to a modified Rayleigh law in which a negative quadratic stress term accounts for a saturation of the domain wall contributions at higher stress. The relative changes to the fitting parameters can be explained by the materials possessing differences in the concentration of orientable defect dipoles, but with similar distributions of relaxation time constants.
ISSN:0885-3010
1525-8955
DOI:10.1109/TUFFC.2017.2686490