Optimum mixing ratio of epoxy for glass fiber reinforced composites with high thermal stability |
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| Affiliation: | 1. Department of Materials Engineering and Conversion Technology, Engineering Research Institute, Gyeongsang National University, Jinju 660-701, Republic of Korea;2. Advanced Composite Materials Institute, Hankuk Carbon, Republic of Korea;3. Department of Mechanical Engineering, The University of Utah, Salt Lake City, UT 84112, United States;1. Department of Chemical Engineering, Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Jalan Genting Kelang, 53300 Setapak, Kuala Lumpur, Malaysia;2. Radiation Processing Technology Division, Malaysian Nuclear Agency, Bangi, 43000 Kajang, Selangor, Malaysia;3. Department of Mechanical Engineering, University of New Orleans, New Orleans, LA 70148, USA;4. Department of Polymer Engineering, Faculty of Chemical Engineering, Universiti Teknologi Malaysia, 81310 UTM Skudai, Johor, Malaysia;1. Department of Mathematics and Statistics, Faculty of Science, King Faisal University, P.O. Box 400, Hofuf 31982, Saudi Arabia;2. Department of Mathematics, Faculty of Science, Kafrelsheikh University, Kafrelsheikh 33516, Egypt;1. Department of Mechanical Engineering, Arak Branch, Islamic Azad University, Arak, Iran;2. School of Mechanical Engineering, Sharif University of Technology, Tehran, Iran;3. Department of Mechanical and Aerospace Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran;4. Young Researchers and Elite Club, Arak Branch, Islamic Azad University, Arak, Iran;1. Department of Materials Engineering, University Federal of Sergipe – UFS, Campus Prof. José Aloísio de Campos, Av. Marechal Rondom, s/n, Jardim Rosa Elze, CEP: 49100-000 São Cristóvão, SE, Brazil;2. Department of Chemistry, University Federal of Sergipe – UFS, Campus Prof. José Aloísio de Campos, Av. Marechal Rondom, s/n, Jardim Rosa Elze, CEP: 49100-000 São Cristóvão, SE, Brazil;3. Department of Physics, University Federal of Sergipe – UFS, Campus Prof. José Aloísio de Campos, Av. Marechal Rondom, s/n, Jardim Rosa Elze, CEP: 49100-000 São Cristóvão, SE, Brazil;1. Department of Materials and Technology, São Paulo State University, Guaratinguetá, SP, Brazil;2. Department of Mechanical Engineering, Aalto University, Espoo, Finland;3. PPGE3M, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil;4. PGCIMAT, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil;5. PGMAT, Caxias do Sul University, Caxias do Sul, RS, Brazil |
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| 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 FT-IR instrument. 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 Tg was conformed according to different epoxy mixing ratios. 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. |
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| Keywords: | A Glass fiber B Interface/interphase C Micro-mechanics D Mechanical testing |
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