碳纤维增强环氧树脂基复合材料的制备及力学性能研究

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1、碳纤维增强环氧树脂基复合材料的制备及力学性能研究2.3.1表面处理方式对碳纤维表面形貌的影响.......................................................232.3.2表面处理方式对碳纤维表面元素含量的影响..............................................242.3.3表面处理方式对碳纤维复丝拉伸强度的影响..............................................252.3.4

2、表面处理方式对碳纤维相结构的影响..........................................................262.3.5表面处理方式对复合材料拉伸强度和弯曲强度的影响..............................272.3.6表面处理方式对复合材料断面形貌的影响..................................................292.3.7硝酸-超声协同处理碳纤维的作用机理及增强复合材料机理探讨........

3、.....302.4本章小结....................................................................................................................313硝酸-超声协同改性碳纤维及其复合材料结构和性能研究.............................................323.1引言..........................................

4、..................................................................................323.2实验部分....................................................................................................................323.2.1实验主要原料与仪器.............................

5、.........................................................323.2.2试样的制备方法..............................................................................................333.2.3试样的测试表征方法.......................................................................

6、...............333.3结果与讨论................................................................................................................363.3.1硝酸-超声处理对碳纤维重量的影响.............................................................363.3.2硝酸-超声处理对碳纤维表面形貌的影响......

7、...............................................373.3.3硝酸-超声处理对碳纤维润湿性和分散性的影响.........................................383.3.4硝酸-超声处理对碳纤维化学结构的影响.....................................................403.3.5硝酸-超声处理对碳纤维表面元素含量的影响...............................

8、..............413.3.6硝酸-超声处理前后碳纤维复丝的拉伸强度.................................................413.3.7硝酸-超声处理前后复合材料的拉伸强度和弯曲强度.................................423.4本章小结...........................................................................