Journal
POLYMER COMPOSITES
Volume 37, Issue 1, Pages 229-240Publisher
WILEY-BLACKWELL
DOI: 10.1002/pc.23174
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Funding
- National Natural Science Foundation of China [11472025, 11272030]
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The procedure of pulling a carbon nanotube/nanofiber (CNT/CNF) with interfacial defect out from a polymer matrix is studied in this article. By ignoring the fiber-matrix interaction and the stress concentration in the zone of interfacial defect, an analytical model is proposed to describe the pull-out behavior of the CNT/CNF. The accuracy and rationality of the model is validated by comparing to the pull-out experiment and the finite element simulation. The results from the parametric study indicate that the geometric parameters of the interfacial defect have pronounced influences on the pull-out behavior of the CNT/CNF. The influence of the defect on the strength and toughness of the composites is discussed in detail.(C) 2014 Society of Plastics Engineers
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