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Characterization of force-deflection behavior of piezoelectrically actuated bistable composite laminate under two-axis constraint


Reference:

Giddings, P. F., Bowen, C. R. and Kim, H. A., 2008. Characterization of force-deflection behavior of piezoelectrically actuated bistable composite laminate under two-axis constraint. Advances in Science and Technology, 56, pp. 380-385.

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Official URL:

http://dx.doi.org/10.4028/www.scientific.net/AST.56.380

Abstract

This paper characterises the properties of unsymmetric bistable carbon fibre composites actuated using a single piezoelectric macro fibre actuator. A piezoelectric–laminate combination under two-axis constraint was evaluated in terms of its load–deflection characteristics, snap-through force and stiffness. The load–deflection characteristics indicate that snap-through force and laminate stiffness increase as a function of piezoelectric actuator drive-voltage. Both snap-through force and laminate stiffness are significantly increased under two-axis constraint, as compared to single-axis constraint. Snap-through force and stiffness are shown to be affected by localised curvature variation caused by laminate ageing.

Details

Item Type Articles
CreatorsGiddings, P. F., Bowen, C. R. and Kim, H. A.
DOI10.4028/www.scientific.net/AST.56.380
DepartmentsFaculty of Engineering & Design > Mechanical Engineering
Research CentresCentre for Advanced Sensor Technologies (CAST)
Aerospace Engineering Research Centre
RefereedYes
StatusPublished
ID Code15214

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