Journal
MATERIALS & DESIGN
Volume 34, Issue -, Pages 649-654Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.matdes.2011.05.021
Keywords
Fibers and filaments; Microstructure; Adhesion
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Funding
- Chang Jiang Scholars Program of China
- National Natural Science Fund Program of China [51073047]
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Three different molecular weight of sizing agent on the performances of carbon fibers and carbon fibers composites are investigated. Atomic force microscopy (AFM) was used to characterize carbon fiber surface topographies. Wetting and surface energy along with contact angles were determined by the dynamic contact angle analysis test (DCAT). The single fiber strengths and Weibull distributions were also studied in order to understand the effect of sizing agent on the carbon fibers. At the same time, the interfacial shear strength (IFSS) and hygrothermal aging test have been used to study the effect of fibers coatings on the adhesion of surface. The results revealed that the S_2 sizing agent on the carbon fiber interface properties and IFSS was better than those of other sizing agents. (C) 2011 Published by Elsevier Ltd.
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