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http://dx.doi.org/10.7234/composres.2014.27.4.168

Optimum Mixing Ratio of Epoxy for Glass Fiber Reinforced Composites with High Thermal Stability  

Shin, Pyeong-Su (Department of Materials Engineering and Convergence Technology, Gyeongsang National University)
Wang, Zuo-Jia (Department of Materials Engineering and Convergence Technology, Gyeongsang National University)
Kwon, Dong-Jun (Department of Materials Engineering and Convergence Technology, Gyeongsang National University)
Choi, Jin-Yeong (Department of Materials Engineering and Convergence Technology, Gyeongsang National University)
Sung, Ill (Advanced Composite Materials Institute, Hankuk Carbon)
Jin, Dal-Saem (Advanced Composite Materials Institute, Hankuk Carbon)
Kang, Suk-Won (Advanced Composite Materials Institute, Hankuk Carbon)
Kim, Jeong-Cheol (Advanced Composite Materials Institute, Hankuk Carbon)
Park, Joung-Man (Department of Materials Engineering and Convergence Technology, Engineering Research Institute, Gyeongsang National University)
Publication Information
Composites Research / v.27, no.4, 2014 , pp. 168-173 More about this Journal
Abstract
The optimum condition of glass fiber/epoxy composites was investigated according to mixing ratio of two epoxy matrices. Novolac type epoxy and isocyanate modified epoxy were used as composites matrix. Based on chemical composition of mixing matrix, optimum mixing ratio of epoxy resins was obtained through various experiments. In order to investigate thermal stability and interface of epoxy resin, glass transition temperature was observed by DSC instrument, and static contact angle was measured by reflecting microscope. Change of IR peak and $T_g$ was conformed according to different epoxy mixing ratio. After fabrication of glass fiber/epoxy composites, tensile, compression, and flexural properties were tested by UTM by room and high temperature. The composites exhibited best mechanical properties when epoxy mixing ratio was 1:1.
Keywords
Composites material; Mixing ratio; Glass fiber; Thermal stability; Epoxy resin;
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Times Cited By KSCI : 4  (Citation Analysis)
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