Morphing and shape control using unsymmetrical composites


Bowen, C. R., Butler, R., Jervis, R., Kim, H. A. and Salo, A. I. T., 2007. Morphing and shape control using unsymmetrical composites. Journal of Intelligent Material Systems and Structures, 18 (1), pp. 89-98.

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Unsymmetrical carbon fiber/epoxy composites with bonded piezoelectric actuators are investigated as a means to shape or morph, the composite structures. Both a cantilever and unsupported laminate structure are examined along with their response to applied strains (from piezoelectric actuators) and applied mechanical load; with particular emphasis on the characterization of shape/deflection, the influence of externally applied mechanical loads and methods of reversing or promoting snap-through of these materials from one stable state to another. A variety of shape change/actuation modes for such structures have been identified namely, (i) reversible actuation by maintaining a constant stable state using piezoelectric actuation, (ii) an increased degree of shape change by irreversible snap-through using piezoelectric actuation and (iii) reversible snap-through using combined piezoelectric actuation and an externally applied load.


Item Type Articles
CreatorsBowen, C. R., Butler, R., Jervis, R., Kim, H. A. and Salo, A. I. T.
DepartmentsFaculty of Engineering & Design > Mechanical Engineering
Research CentresAerospace Engineering Research Centre
ID Code1688
Additional InformationID number: ISI:000243880300008


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