Acoustic emission in ceramic actuators

T. Hirose, Kenji Uchino

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


Two types of Acoustic Emission (AE) are possible in piezoelectric/electrostrictive actuators. One is the so-called normal AE, occurring when a piezoelectric actuator is driven by a bipolar electric field, and the other is an abnormal AE, occurring during actual breakdown of the actuator. The abnormal AE signal may be a good indicator for predicting the electrical or mechanical breakdown of the device.

Original languageEnglish (US)
Pages (from-to)217-224
Number of pages8
Issue number1
StatePublished - May 1 1989

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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