Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/8908
Title: Interfacial debond of shape memory alloy composites
Authors: Poon, CK
Zhou, LM 
Jin, W 
Shi, SQ 
Issue Date: 2005
Publisher: Institute of Physics Publishing
Source: Smart materials and structures, 2005, v. 14, no. 4, p. n29-n37 How to cite?
Journal: Smart materials and structures 
Abstract: A theoretical model for the prediction of interfacial behaviour is successfully developed for composites with pre-strained shape memory alloy (SMA) fiber. A two-cylinder model with a thin SMA fibre surrounding by epoxy matrix is employed for a pull-out test. The material constants and thermomechanical properties of the constituents were determined from a series of tensile tests, stress-recovery tests and strain-constrained tests. All this information is then substituted into the newly developed model so as to predict the debonding behaviour, initial debond stress and critical bonded fibre length. The maximum debond stresses at different activation temperatures are predicted and compared with the experimental results obtained from the fiber pull-out test. The good agreement between experimental findings and theoretical results warrants the application of this new developed theoretical model on the design of SMA-reinforced composites and structures.
URI: http://hdl.handle.net/10397/8908
ISSN: 0964-1726
EISSN: 1361-665X
DOI: 10.1088/0964-1726/14/4/N05
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