Cryogenic electromechanical response of multilayer PZT actuators in hydrogen fuel injectors

Yasuhide Shindo, Fumio Narita

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

Abstract

This work presents the results of our theoretical and experimental studies of the cryogenic electromechanical response in multilayer PZT actuators under direct current (DC)/alternating current (AC) electric fields for hydrogen fuel injectors. A shift in the morphotropic phase boundary (MPB) between the tetragonal and rhombohedral/monoclinic phases with decreasing temperature was determined using a thermodynamic model, and the temperature dependent piezoelectric coefficients were obtained. Temperature dependent coercive electric field was also predicted based on the domain wall energy. The electromechanical fields of the multilayer lead zirconate titanate (PZT) actuators from room to cryogenic temperatures were then calculated, by the finite element method. In addition, experimental results on the DC/AC electric field induced strains for PZT actuators were presented to validate the predictions.

Original languageEnglish
Title of host publicationAdvances and Trends in Engineering Materials and Their Applications - Proceedings, ITALY 2013 AES-ATEMA 12th International Conference, ATEMA 2013
PublisherAdvanced Engineering Solutions
Pages81-87
Number of pages7
ISBN (Print)9780987994554
Publication statusPublished - 2013 Jan 1
Event12th AES-ATEMA International Conference on Advances and Trends in Engineering Materials and Their Applications, ATEMA ITALY 2013 - Trieste and Venice, Italy
Duration: 2013 Apr 222013 Apr 26

Publication series

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

Other

Other12th AES-ATEMA International Conference on Advances and Trends in Engineering Materials and Their Applications, ATEMA ITALY 2013
CountryItaly
CityTrieste and Venice
Period13/4/2213/4/26

Keywords

  • Electromechanical field concentrations
  • Finite element method
  • Hydrogen fuel injection systems
  • Material testing
  • Piezoelectric laminates
  • Piezomesomechanics

ASJC Scopus subject areas

  • Mechanics of Materials
  • Materials Science(all)

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  • Cite this

    Shindo, Y., & Narita, F. (2013). Cryogenic electromechanical response of multilayer PZT actuators in hydrogen fuel injectors. In Advances and Trends in Engineering Materials and Their Applications - Proceedings, ITALY 2013 AES-ATEMA 12th International Conference, ATEMA 2013 (pp. 81-87). (AES-ATEMA International Conference Series - Advances and Trends in Engineering Materials and their Applications). Advanced Engineering Solutions.