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Effects of surface characteristics of F-12 polymeric fibers on the mechanical properties of F-12/epoxy composites

机译:F-12聚合物纤维的表面特性对F-12 /环氧树脂复合材料力学性能的影响

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摘要

The effects of the surface properties and skin-core structure of F-12 high-performance polymeric fibers on the mechanical properties of F-12 fiber-reinforced epoxy composite were investigated. Atomic force microscopy, scanning electron microscopy and X-ray photoemission spectroscopy were employed to characterize the microstructure and surface-elemental analysis of the F-12 fiber. Mechanical properties of the composite, such as interfacial shear strength, interlaminar shear strength, flexural modulus and flexural strength were tested. The results clearly show the skin-core structure and surface properties of F-12 fiber have great effects on the water absorption rate and mechanical performances of the composites.
机译:研究了F-12高性能聚合物纤维的表面性能和皮芯结构对F-12纤维增强环氧复合材料力学性能的影响。原子力显微镜,扫描电子显微镜和X射线光电子能谱被用来表征F-12纤维的微观结构和表面元素分析。测试了复合材料的机械性能,例如界面剪切强度,层间剪切强度,弯曲模量和弯曲强度。结果清楚地表明,F-12纤维的皮芯结构和表面性能对复合材料的吸水率和机械性能有很大影响。

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