Fatigue crack propagation in three-point bending-piezoceramics under electromechanical loading

Yasuhide Shindo, Fumio Narita, Mitsuru Hirama

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In this study, we present a combined numerical and experimental examination of the fatigue crack propagation in piezoelectric ceramics under electromechanical loading. A crack was created normal to the poling direction. Dynamic and static fatigue tests were conducted in three-point bending under electric fields using single-edge precracked-beam method. A nonlinear finite element analysis was also performed to evaluate the energy release rate for the permeable, impermeable and open crack models, and the effects of electric field and polarization switching on the energy release rate were discussed. The results were then examined in terms of the crack propagation velocity and lifetime vs energy release rate curves.

Original languageEnglish
Title of host publicationAdvances and Trends in Engineering Materials and their Applications - Proceedings of AES-ATEMA'2008 2nd International Conference
Pages163-166
Number of pages4
Publication statusPublished - 2008 Dec 1
Event2nd International Conference on Advances and Trends in Engineering Materials and their Applications, AES-ATEMA'2008 - Cesena, Italy
Duration: 2008 Sep 12008 Sep 5

Publication series

NameAES-ATEMA International Conference Series - Advances and Trends in Engineering Materials and their Applications
ISSN (Print)1924-3642

Other

Other2nd International Conference on Advances and Trends in Engineering Materials and their Applications, AES-ATEMA'2008
CountryItaly
CityCesena
Period08/9/108/9/5

Keywords

  • Dynamic fatigue
  • Elasticity
  • Finite element method
  • Material testing
  • Piezoelectric materials
  • Smart materials and structures

ASJC Scopus subject areas

  • Mechanics of Materials
  • Materials Science(all)

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  • Cite this

    Shindo, Y., Narita, F., & Hirama, M. (2008). Fatigue crack propagation in three-point bending-piezoceramics under electromechanical loading. In Advances and Trends in Engineering Materials and their Applications - Proceedings of AES-ATEMA'2008 2nd International Conference (pp. 163-166). (AES-ATEMA International Conference Series - Advances and Trends in Engineering Materials and their Applications).