摘要
根据碱催化阴离子聚合原理,用液态原位聚合方法制备了尼龙/三维编织碳纤维复合材料(PA/C_(3D)),介绍其成型工艺过程,测试并分析了PA/C_(3D)复合材料的力学性能及影响因素。结果表明,PA/C_(3D)复合材料具有比长碳纤维增强尼龙(PA/C_L)复合材料高的冲击强度和剪切强度,其弯曲性能低于PA/C_L复合材料。碳纤维空气氧化处理后制备的PA/C_(3D)复合材料的弯曲强度、弯曲弹性模量及平面剪切强度均有所提高,但冲击强度下降。
The molding technology of 3D braided carbon fiber-nylon (PA/C3D for short) composites using liquid in-situ polymerization method is described. The mechanical properties of PA/C3D composite was tested and analyzed. The main factors effecting molding process are discussed. It is found that the impact strength and shear strength of PA/C3D composites preceded those of long carbon fiber nylon (PA/CL for short) composites. PA/C3D composites exhibited lower flexural properties in comparison to PA/CL composites. The properties of PA/C3D composites with fiber oxidized were improved except the impact strength.
出处
《工程塑料应用》
CAS
CSCD
北大核心
2002年第9期12-14,共3页
Engineering Plastics Application
基金
天津自然科学基金(013604211)
