Characterisation of actuation properties of piezoelectric bi-stable carbon-fibre laminates

被引:49
作者
Giddings, P. [1 ]
Bowen, C. R. [1 ]
Butler, R. [1 ]
Kim, H. A. [1 ]
机构
[1] Univ Bath, Dept Mech Engn, Bath BA2 7AY, Avon, England
基金
英国工程与自然科学研究理事会;
关键词
laminates; smart materials; mechanical properties; electrical properties; ROOM-TEMPERATURE SHAPES; SNAP-THROUGH; PIEZOCERAMIC ACTUATORS; CURED SHAPE; COMPOSITES; DESIGN; STRESSES; PLATES;
D O I
10.1016/j.compositesa.2007.07.007
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
This paper characterises the properties of bi-stable carbon fibre composites actuated using a macro fibre piezoelectric actuator. An unsupported piezoelectric-laminate combination was evaluated in terms of its blocking force, free displacement and load-displacement characteristics. Linear relationships between blocking force and free displacement with applied voltage were observed when the piezoelectric-laminate combination was actuated in a single stable state. The load-deflection characteristics indicate that significant control of the snap-through force could be achieved with applied voltage. (C) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码:697 / 703
页数:7
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