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Wuhan University Journal of Natural Sciences

, Volume 24, Issue 1, pp 79–85 | Cite as

Tensile Piezoelectric Actuator: Fabrication, Characterization and Application

  • Dapeng Zhu
  • Kun Xie
  • Yingwei LiEmail author
Engineering Technology
  • 23 Downloads

Abstract

A multilayer piezoelectric actuator, with dimension of 10 mm×10 mm×60 mm, which can output a tensile displacement directly by exploring the d31 effect of piezoelectrics, was fabricated using soft Lead Zirconate Titanate (PZT) ceramics. The performance of the actuator was characterized by a special home-made experimental setup under electric fields varying from 200 to 1 000 V/mm with the preload varying from -150 to 100 N at room temperature. Results showed that it can output a maximum tensile displacement of 12 μm under unipolar electric field of 1 000 V/mm and preload was independent with generative displacement in the range of testing preload. Additionally, using the actuator, we built a micro loading apparatus, which can be used to test the fracture behavior of brittle materials.

Key words

piezoelectric actuator actuation displacement Lead Zirconate Titanate ceramics a micro loading apparatus 

CLC number

TH 703 

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Copyright information

© Wuhan University and Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.School of Civil Engineering/State Key Laboratory of Water Resources and Hydropower Engineering ScienceWuhan UniversityHubeiChina

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