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The Effect Of Interphase Modification On Carbon Fiber/polyarylacetylene Resin Composites

机译：相变对碳纤维/聚芳基乙炔树脂复合材料的影响

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摘要

Interfacial modification for carbon fiber (CF) reinforced polyarylacetylene (PAA) resin, a kind of non-polar, was investigated. The high carbon phenolic resin was used as coating to treat the surface of CF after oxidation. Atomic force microscopy (AFM) with force modulation mode was used to analyze the interphase of composite. The interlaminar shear strength (ILSS) and mechanical properties of CF/PAA composites were also measured. It was found that the CF/PAA composites treated with oxidation and coating after oxidation had transition area between carbon fiber and PAA resin. The existence of transition area led to the improvement of interfacial performance of composites. Specially, the thickness and stiffness of interphase of composite treated with coating after oxidation were more suitable for CF/ PAA composites. Thus, the composite treated with coating after oxidation had the highest value of ILSS and the best mechanical properties.
机译：研究了一种非极性的碳纤维（CF）增强的聚芳基乙炔（PAA）树脂的界面改性。使用高碳酚醛树脂作为涂层处理氧化后的CF表面。使用力调制模式的原子力显微镜（AFM）分析复合材料的相间。还测量了CF / PAA复合材料的层间剪切强度（ILSS）和力学性能。结果发现，经氧化和氧化处理后的CF / PAA复合材料在碳纤维和PAA树脂之间具有过渡区。过渡区的存在导致复合材料界面性能的提高。特别地，氧化后经涂层处理的复合材料的相间厚度和刚度更适合CF / PAA复合材料。因此，在氧化后用涂层处理的复合材料具有最高的ILSS值和最佳的机械性能。

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