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TECHNICAL BRIEFS

A Study of Displacement Distribution in a Piezoelectric Heterogeneous Bimorph

[+] Author and Article Information
Qiang Li, Michael Lovell, Junfeng Mei, William Clark

Department of Mechanical Engineering, University of Pittsburgh, Pittsburgh, PA 15261 e-mail: mlovell+@pitt.edu

J. Mech. Des 126(4), 757-762 (Aug 12, 2004) (6 pages) doi:10.1115/1.1759362 History: Received June 01, 2003; Revised January 01, 2004; Online August 12, 2004
Copyright © 2004 by ASME
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References

Figures

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Two-layer PZT beam: (a) basic structure of the PZT beam (b) internal moments and forces between layers of PZT beam deformed under voltage load
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Deflection distribution of the cantilever beam: (a) deflection distribution with different n(d31=1.71e-10 C/N) (b) deflection distribution with different d31(n=PZT/steel)
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Comparison of the analytical and FEM results: (a) PZT/steel structure (b) PZT/copper structure (c) PZT/aluminum structure
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Comparison of analytical and numerical tip deflection values as a function of the Young’s modulus ratio n
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Comparison of analytical and numerical tip deflection values as a function of beam thickness ratio f
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Tip deflection (μm) as a function of thickness ratio (hL/hu)

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