Warpage and mechanical properties of film insert molded parts with composite substrate |
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| Authors: | Soo Jin Baek Seong Yun Kim Jae Ryoun Youn Kyeong Wung Kim |
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| Institution: | (1) Department of Wood and Paper Science, Research Institute of Forests and Rangelands (RIFR), Tehran, Iran;(2) Department of Chemical Industries, Iranian Research Organization for Science and Technology (IROST), P.O. Box 15815-3538, Tehran, Iran;(3) Department of Wood and Paper Science and Technology, Islamic Azad University, Science and Research Branch, Tehran, Iran;(4) Department of Wood and Paper Science and Technology, Sari Agricultural Sciences and Natural Resources University, Sari, Iran; |
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| Abstract: | Mechanical properties of chopped carbon fiber (CF) reinforced PC/ABS composites were investigated. Tensile strength and elastic
modulus of the composites were enhanced with increasing CF contents. On the contrary, impact strength of the composite was
decreased with increasing CF fraction. Film insert molding was introduced in order to improve impact strength. Film insert
molded composite specimens have higher impact strength than conventional injection molded composite specimens because inserted
film acted as a cushion to absorb the impact energy. Large warpage which was observed after molding and known as a disadvantage
of the film insert molded part can be prevented by controlling the amount of filled CFs. Therefore, fiber reinforcement and
film insert molding can be applied simultaneously to reduce warpage of the film insert molded part and enhance impact strength
of the CF reinforced composite. |
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