Journal of Materials Science

, Volume 42, Issue 13, pp 4810–4814 | Cite as

Piezoelectric hydrophones from Optimal Design, II: properties

  • Christopher J. Reilly
  • John W. HalloranEmail author
  • Emilio C. N. Silva
  • Francisco Montero de Espinosa


Three-dimensional piezoelectric PZT-air artificial materials, designed using the Optimal Design by the Homogenization Method, with predicted hydrostatic piezoelectric coefficient of 427 pC/N and a hydrophone figure of merit of 29 pm2/N were realized and measured. The measured hydrostatic piezoelectric coefficient was 329 pC/N and a hydrophone figure of merit was19 pm2/N. The differences between predicted and observed properties were ascribed to insufficient polarization, due to the field distribution during poling.


Topology Optimization Hydrophone Direction Solid High Frequency Structure Simulation Random Void 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



This research was supported by the US National Science Foundation, under Grant 9972620. The electric field simulations were performed with the assistance of Dr. William J. Chappell of the University of Michigan Department of Electrical Engineering and Computer Science.


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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  • Christopher J. Reilly
    • 1
  • John W. Halloran
    • 1
    Email author
  • Emilio C. N. Silva
    • 2
  • Francisco Montero de Espinosa
    • 3
  1. 1.Department of Materials Science and EngineeringUniversity of MichiganAnn ArborUSA
  2. 2.Department of Mechatronics and Mechanical Systems Engineering, Escola PolitécnicaUniversity of São PauloSao PauloBrazil
  3. 3.Instituto de Acústica, Consejo Superior de Investigationes CientificasMadridSpain

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