Mechanical Properties of Carbon Epoxy Prepreg Insert Phenolic Resin Injection Moldings |
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| Authors: | PINPATHOMRAT Badin KEIGO Nishitani THUMSORN Supaphom Narongchai O-Charoen Yuqiu YANG HAMADA Hiroyuki |
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| Affiliation: | Department o f Advanced Fibro-Science;Department of Industrial Engineering;Department of Materials and Metallurgical Engineering;Key Laboratory of Textile Science & Technology |
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| Abstract: | This study focuses on the insert-injection molding process. The thermoset composite inserts in this study were carbon fiber/epoxy(CF/Epoxy) prepreg sheets. The injected molded part was glass fiber contained phenolic resin(GF/PF). The CF/Epoxy was placed in the mold cavity prior to injecting GF/PF onto the inserted injection molded CF/Epoxy specimens. The role of adhesion between the inserted part and injected resin on the mechanical properties was evaluated by 3 point bending and impact tests. In addition, the effect of prepreg orientation on the mechanical properties of the prepreg inserted-injection molding system was investigated. It was found that the prepreg with unidirectional orientation significantly improved flexural and impact strength of the inserted injection molding composites, providing better support and resistance to bending and impact loading. The main failure modes of the specimens were structural and adhesive failure. |
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| Keywords: | insert injection molding unidirectional prepregs woven fabric prepreg thermosetting composite |
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