Mechanical Behavior and Failure Mechanism of 2.5D(Shallow Bend-joint, Deep Straight-joint) and 3D Orthogonal UHWMPE Fiber/Epoxy Composites by Vacuum-assistant-resin-infused

查看全文 作　　者：[1,2]赵晓琳;DU [2]Jianhua;YANG [2]Hongwei;JIA [1]Chengchang;GAO [3]Heng;WANG [1]Dafeng;Lü [1]Yingying

机构地区：[1]School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China;[2]Department ofScience Research, Academy of Armored Force Engineering, Beijing 100072, China;[3]Department of Self-propelled Gun, Nanjing Artillery Academy, Nanjing 211132, China

出　　处：《Journal of Wuhan University of Technology(Materials Science)》索引2016年第31卷第6期,共5页

基　　金：Funded by the National Natural Science Foundation of China(No.51001117) 摘　　要：Ultra-high molecular weight polyethylene(UHMWPE) fiber/epoxy composites were fabricated by a vacuum assisted resin infused(VARI) processing technology. The curing condition of composites was at a cure temperature of 80 ℃ for 3h in a drying oven. The characteristics of 2.5D(shallow bend-joint and deep straight-joint) structure and 3D orthogonal structure were compared. The failure behavior, flexural strength, and microstructures of both composites were investigated. It was found that the flexural property was closely related to undulation angle θ. The flexural strength of 3D orthogonal structure composite was superior to the other two structures composites with the same weave parameters and resin. 关键词：环氧树脂复合材料超高分子量聚乙烯真空辅助成型聚乙烯纤维三维正交弯曲关节失效机理力学行为

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Mechanical Behavior and Failure Mechanism of 2.5D(Shallow Bend-joint, Deep Straight-joint) and 3D Orthogonal UHWMPE Fiber/Epoxy Composites by Vacuum-assistant-resin-infused

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