Acoustic emission in piezoelectric/electrostrictive actuators

Kenji Uchino, Terukiyo Hirose, Ande Murali Varaprasad

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


Acoustic Emission(AE) has been measured in piezoelectric/electrostrictive actuators. Usual unipolar driving does not generate strong AE in the ceramic actuators. After suffering from thermal shock, the sample becomes to reveal the AE signal. These results suggest that the AE signal is a good indication to predict electrical/mechanical breakdown of the ceramic actuators.

Original languageEnglish (US)
Pages (from-to)167-170
Number of pages4
JournalJapanese Journal of Applied Physics
StatePublished - Jan 1987

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)


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