Cryogenic fracture of cracked piezoelectric ceramics in three-point bending under electric fields

Yasuhide Shindo, Fumio Narita

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

This paper investigates theoretically and experimentally the cryogenic fracture behavior of cracked piezoelectric ceramics under electric fields. Fracture tests were performed in three-point bending with the single-edge precracked-beam specimens at room temperature and liquid nitrogen temperature (77 K), and the fracture loads under electric fields were obtained. Plane strain finite element analysis was also carried out using temperature-dependent material properties of the piezoelectric ceramics, and the dependence of the energy release rate on the electric field and temperature was discussed. In addition, possible mechanisms for cryogenic fracture were examined by scanning electron microscopy.

Original languageEnglish
Pages (from-to)1313-1321
Number of pages9
JournalActa Mechanica
Volume225
Issue number4-5
DOIs
Publication statusPublished - 2014 Apr

ASJC Scopus subject areas

  • Computational Mechanics
  • Mechanical Engineering

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