Effects of vacuum,mold temperature and cooling rate on mechanical properties of press consolidated glass fiber/PET composite |
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| Affiliation: | 1. Center for Degradation and Flame-Retardant Polymeric Materials, College of Chemistry, State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), Sichuan University, Chengdu 610064, PR China;2. Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621000, China;1. Key Laboratory for Liquid–Solid Structural Evolution and Processing of Materials, Ministry of Education, Shandong University, Jinan, Shandong 250061, PR China;2. Engineering Research Center for Mold & Die Technologies, Shandong University, Jinan, Shandong 250061, PR China;3. Qingdao Hisense Mould Co., Ltd., Qingdao, Shandong 266114, PR China;1. Ghent University, Laboratory Soete, Technologiepark, 9052 Zwijnaarde, Belgium;2. Lehrstuhl für Verbundwerkstoffe,University of Kaiserslautern, Kaiserslautern, Germany;1. Département de génie mécanique, Université du Québec à Trois-Rivières, 3351 boul. des Forges, Trois-Rivières, QC G9A 5H7, Canada;2. Département de génie mécanique, École de technologies supérieures, 1100 rue Notre-Dame Ouest, Montréal, QC H3C 1K3, Canada |
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| Abstract: | Glass fiber reinforced polyethylene–terephthalate (PET) matrix composites manufactured by a rapid press consolidation technique were investigated as functions of vacuum, mold temperature, and cooling rate among the many possible processing parameters. Tensile, impact, fracture toughness and short beam shear tests were carried out and these mechanical properties were compared with respect to crystallinity. It was found that the mechanical properties strongly depend on vacuum, mold temperature, and cooling rate. The degree of crystallinity (XC) in composites affects tensile properties to some degree, but impact properties were affected much more. It also affects the degree of ductility depending mold temperature in consolidation and cooling rate, which determines the impact energy of this material. |
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