期刊
POLYMERS
卷 11, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/polym11030405
关键词
shape memory alloy; GFRP composite; plain-woven composite; experiment; elastic behavior
资金
- National Key Research and Development Program of China [2017YFB1102800]
- National Natural Science Foundation of China [11872310, 5171101743]
- Key Research and Development Program of Shaanxi Province [2017KJXX-31]
In this paper, a plain-woven glass-fabric-reinforced polymer (GFRP) composite with embedded shape memory alloy (SMA) wires is investigated by means of experiments. The vacuum-assisted resin injection (VARI) method is utilized to fabricate the composite specimens. Quasi-static uniaxial tensile tests are then carried out to evaluate the influence of SMA reinforcement on the stress-strain behavior of the composite. Only the elastic behavior of the composite is considered in the present study. The tensile strain in all the experiments is kept below 2.5% to avoid debonding of the SMA-resin interface, which would lead to failure of the composite. Stress-strain curves are obtained and shown to present a bilinear behavior due to phase transformation taking place in the SMA wires beyond a certain stress threshold.
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