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高性能纤维具有优异的性能,广泛用于宇航和军事领域,但是其与树脂基体之间的界面粘接性能较差,复合材料的层间剪切强度较低。针对这一复合材料体系,全面论述了提高其性能的几种方法以及各种方法的优缺点,其中包括纤维表面接枝、偶联、聚合物涂层、冷等离子体、γ射线辐射和超声波处理等,同时介绍了改性纤维的性能表征方法。
High-performance fibers have excellent properties and are widely used in aerospace and military applications, but have poor interfacial adhesion properties to the resin matrix and low interlaminar shear strength of the composite. Aiming at this composite system, several methods to improve its performance and advantages and disadvantages of various methods are comprehensively discussed, including fiber surface grafting, coupling, polymer coating, cold plasma, γ-ray irradiation and ultrasonic treatment Etc. At the same time, the performance characterization method of modified fiber is introduced.