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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Tanimoto, T. Okazaki, K. |
| Copyright Year | 1992 |
| Description | Author affiliation: Dept. of Mater. Sci. & Ceramic Technol., Shonan Inst. of Technol., Kanagawa, Japan (Tanimoto, T.; Okazaki, K.) |
| Abstract | The mechanical and electrical properties of piezoelectric ceramics have been investigated, with special emphasis on the effects of poling conditions. The materials used in the study are the commercial piezoelectric ceramics PbZrO/sub 3/-PbTiO/sub 3/ (PZT) and BaTiO/sub 3/. With regard to the effect of the voltage values applied in poling on the piezoelectric constant and mechanical fatigue properties, it was found that fatigue resistance increases with increasing applied voltage. The electrical degradation process and the mechanical performance of the PZT samples appear to be most favorable when the poling of samples is performed under the condition of repoling via aging treatment after poling. The application of a DC field at a temperature above the Curie point to the BaTiO/sub 3/ samples before ordinary poling is very effective for the improvement of electrical and mechanical properties. It was found that such a prior treatment in poling increases the piezoelectric coupling constant of the samples. Prior treatment could also effectively work to suppress the degradation of piezoelectric properties under fatigue loading and to improve the mechanical strength properties.< |
| Starting Page | 504 |
| Ending Page | 507 |
| File Size | 387838 |
| Page Count | 4 |
| File Format | |
| ISBN | 0780304659 |
| DOI | 10.1109/ISAF.1992.300580 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1992-08-30 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Degradation Ceramics Fatigue Temperature Mechanical factors Aging Testing Materials science and technology Voltage Piezoelectric materials |
| Content Type | Text |
| Resource Type | Article |
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