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Enhanced Mechanical Properties of Smart Polymer-Matrix Hybrid Composite by Shape Memory Effect

Published online by Cambridge University Press:  10 February 2011

H. Izui ,
K. Hamada ,
K. Ogawa ,
M. Taya  and
K. Inoue
H. Izui
Affiliation:
Dept. of Material Science and Engineering, University of Washington, Seattle, WA 98195
K. Hamada
Affiliation:
Dept. of Mechanical Engineering, University of Washington, Seattle, WA 98195
K. Ogawa
Affiliation:
Dept. of Mechanical Engineering, University of Washington, Seattle, WA 98195
M. Taya
Affiliation:
Dept. of Mechanical Engineering, University of Washington, Seattle, WA 98195
K. Inoue
Affiliation:
Dept. of Material Science and Engineering, University of Washington, Seattle, WA 98195
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Abstract

New smart hybrid composite with TiNi shape memory alloy (SMA) fiber as reinforcement is designed to be composed of TiNi fiber and carbon/epoxy (CFRP) composite. One-dimensional composite modeling is utilized to evaluate residual stresses of the smart composite generated by shape memory effects. The modeling indicated that the tensile strength of TiNi/CFRP composite is improved due to the shape memory effect of TiNi fiber for both parallel and perpendicular configurations of TiNi fiber with respect to the direction of carbon fiber. Modeling also shows the tensile strength is increased with increasing both volume fraction of TiNi fiber and amount of prestrain.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 459: Symposium Y – Materials for Smart Systems II , 1996 , 425
Copyright
Copyright © Materials Research Society 1997

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References

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