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http://dx.doi.org/10.5714/CL.2012.14.1.058

A Study on the Preparation of the Eco-friendly Carbon Fibers-Reinforced Composites  

Choi, Kyeong-Eun (Department of Practical Arts Education, Jeonju National University of Education)
Seo, Min-Kang (Jeonju Institute of Machinery and Carbon Composites)
Publication Information
Carbon letters / v.14, no.1, 2013 , pp. 58-61 More about this Journal
Abstract
In this work, the effect of catalysts on the mechanical properties of carbon fibers-reinforced epoxy matrix composites cured by cationic latent thermal catalysts, i.e., N-benzylpyrazinium hexafluoroantimonate (BPH) was studied. Differential scanning calorimetry was executed for thermal characterization of the epoxy matrix system. Mechanical interfacial properties of the composites were studied by interlaminar shear strength (ILSS), critical stress intensity factor ($K_{IC}$), and specific fracture energy ($G_{IC}$). As a result, the conversion of neat epoxy matrix cured by BPH was higher than that of one cured by diaminodiphenyl methane (DDM). The ILSS, $K_{IC}$, $G_{IC}$, and impact strength of the composites cured by BPH were also superior to those of the composites cured by DDM. This was probably the consequence of the effect of the substituted benzene group of BPH catalyst, resulting in an increase in the cross-link density and structural stability of the composites studied.
Keywords
carbon fibers-reinforced composites; catalyst; N-benzylpyrazinium hexafluoroantimonate; mechanical interfacial properties;
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Times Cited By KSCI : 2  (Citation Analysis)
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