Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/34877
Title: Longitudinal strain response of a 0.9PMN–0.1PT multilayer actuator
Authors: Tang, KW
Chan, HLW 
Cheung, YM
Liu, PCK
Keywords: DC bias induced strain
Multilayer actuator
0.9PMN–0.1PT
Issue Date: 2002
Publisher: Elsevier
Source: Materials chemistry and physics, 2002, v. 75, no. 1-3, p. 196-201 How to cite?
Journal: Materials chemistry and physics 
Abstract: This work studies the strain response of lead magnesium niobate–lead titanate (0.9PMN–0.1PT) multilayer actuators for industrial automation applications. Since the 0.9PMN–0.1PT is relaxor-based ferroelectric material, its piezoelectricity can be induced by applying a DC bias field longitudinally across the actuator structure. A 7.3 μm displacement in the longitudinal direction was produced by a 9.034 mm long multilayer actuator under a DC bias voltage of 185 V. Effective piezoelectric coefficients d33 and d31 of the 0.9PMN–0.1PT actuator were estimated by the derivative of the strain vs. electric field curve. It was found that deformation of the actuator near the edge on the top surface is about 17% lower than the deformation at the center.
URI: http://hdl.handle.net/10397/34877
ISSN: 0254-0584
EISSN: 1879-3312
DOI: 10.1016/S0254-0584(02)00055-X
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