Field induced acoustic emission (AE) in ferroelectric ceramics

Kenji Uchino, Hideaki Aburatani

Research output: Contribution to journalArticlepeer-review


Electric field induced acoustic emission (AE) in ferroelectric PZT ceramics has been studied. It was shown that the field induced AE originated from where the displacement was induced and ended when the applied field was being reduced during poling. A larger electric field than the previously applied maximum field was required for new AE generation (Kaiser effect). From the AE event rate and the AE signal amplitude distribution, it was assumed that there were two origins of the bipolar field induced AE in the ferroelectric ceramics: deformation related to domain reorientation and piezoelectric deformation without domain reorientation.

Original languageEnglish (US)
Pages (from-to)775-778
Number of pages4
JournalProceedings of the IEEE Ultrasonics Symposium
StatePublished - 1998

All Science Journal Classification (ASJC) codes

  • Engineering(all)


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