Damage characteristics of lead zirconate titanate piezoelectric ceramic during cyclic loading

Mitsuhiro Okayasu, Nozomi Odagiri, Mamoru Mizuno

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

The effects of the damage characteristics on the material properties of a piezoelectric ceramic are examined during cyclic loading. The material being examined is a lead zirconate titanate piezoelectric ceramic (PZT). The electrical properties, such as the electromechanical coupling coefficient (k33), are changed during cyclic loading. The k33 coefficient decreases rapidly to a low level as the sample is loaded cyclically with a high applied stress, while the k33 value decreases slowly or does not change when loaded with a low applied stress. Such a change of material degradation is influenced by the severity of the material damage in the PZT ceramic. The material damage in the PZT occurs, and this occurrence is related to a lightning-like phenomenon (a bright flash with a click). Details of the damage characteristics in PZT ceramic are discussed in the present work.

Original languageEnglish
Pages (from-to)1434-1441
Number of pages8
JournalInternational Journal of Fatigue
Volume31
Issue number8-9
DOIs
Publication statusPublished - Aug 2009
Externally publishedYes

Fingerprint

Piezoelectric Ceramics
Cyclic Loading
Piezoelectric ceramics
Damage
Electromechanical Coupling
Lightning
Decrease
Electromechanical coupling
Electrical Properties
Flash
Coefficient
Material Properties
Materials properties
Electric properties
Degradation
Lead
lead titanate zirconate

Keywords

  • Domain switching
  • Electrical property
  • Fatigue test
  • Material damage
  • PZT ceramic

ASJC Scopus subject areas

  • Industrial and Manufacturing Engineering
  • Mechanical Engineering
  • Mechanics of Materials
  • Materials Science(all)
  • Modelling and Simulation

Cite this

Damage characteristics of lead zirconate titanate piezoelectric ceramic during cyclic loading. / Okayasu, Mitsuhiro; Odagiri, Nozomi; Mizuno, Mamoru.

In: International Journal of Fatigue, Vol. 31, No. 8-9, 08.2009, p. 1434-1441.

Research output: Contribution to journalArticle

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