Responses and responsive shape control of environmentally responsive composites with embedded TiNi alloy as effector

Hitoshi Yoshida; Atsuo Funaki; Shoichiro Yano

doi:10.1117/12.237172

26 April 1996 Responses and responsive shape control of environmentally responsive composites with embedded TiNi alloy as effector

Hitoshi Yoshida, Atsuo Funaki, Shoichiro Yano

Author Affiliations +

Proceedings Volume 2779, 3rd International Conference on Intelligent Materials and 3rd European Conference on Smart Structures and Materials; (1996) https://doi.org/10.1117/12.237172
Event: 3rd International Conference on Intelligent Materials, 1996, Lyon, France

Abstract

Bi-directional Environmentally Responsive Composites (ERC) composed of Ti-Ni alloy effectors and CFRTP (Carbon Fiber Reinforced Thermoplastic) were created in order to investigate the temperature responses and a method of responsive shape control of the ERC. Environmental responsiveness was defined as the responsiveness rate and the recovery rate corresponding to the change of environmental temperature. Responsive shape control was done by the controlling for the curvature of ERC, namely, when the mechanical properties and the initial curvature of the effectors were given and the curvatures of ERC at the low and high temperature were set, the equations were derived in order to calculate the initial curvature and flexural rigidity of the matrices. As a result, it was found that a bi-directional responsive ERC has superior performance could be made by appropriately choosing the properties, the geometries and volume fractions of effectors and matrices. The ratios of experimental and calculating values are very close on 1.0, the numerical results were fairly satisfactory ones.

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Hitoshi Yoshida, Atsuo Funaki, and Shoichiro Yano "Responses and responsive shape control of environmentally responsive composites with embedded TiNi alloy as effector", Proc. SPIE 2779, 3rd International Conference on Intelligent Materials and 3rd European Conference on Smart Structures and Materials, (26 April 1996); https://doi.org/10.1117/12.237172

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