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碳纳米管对环氧树脂力学性能的影响
引用本文:袁观明%李轩科%张铭金%吕早生%张光德.碳纳米管对环氧树脂力学性能的影响[J].宇航材料工艺,2005,35(2):38-41.
作者姓名:袁观明%李轩科%张铭金%吕早生%张光德
作者单位:武汉科技大学,武汉,430081
基金项目:2004年度湖北省教育厅优秀中青年科技创新团队资助计划项目,武汉科技大学优秀中青年科技创新团队资助计划项目
摘    要:用浇铸成型法制备了碳纳米管/环氧树脂复合材料,研究了其力学性能,并探讨了该材料的微观结构与性能之间的关系。结果表明,碳纳米管对环氧树脂具有明显增强增韧作用。在碳纳米管加入量为3.0%(质量分数)时,复合材料的综合性能较好,拉伸强度、拉伸模量及断裂伸长率较纯树脂分别提高了90%-100%、60%-70%、150%-200%。

关 键 词:碳纳米管  力学性能  环氧树脂复合材料  结构与性能  断裂伸长率  增韧作用  质量分数  综合性能  拉伸强度  拉伸模量  成型法  加入量

Effect of Carbon Nanotubes on the Mechanical Properties of Epoxy Resin
Yuan Guanming,Li Xuanke,Zhang Mingjin,Lü Zaosheng,Zhang Guangde.Effect of Carbon Nanotubes on the Mechanical Properties of Epoxy Resin[J].Aerospace Materials & Technology,2005,35(2):38-41.
Authors:Yuan Guanming  Li Xuanke  Zhang Mingjin  Lü Zaosheng  Zhang Guangde
Abstract:Carbon nanotube/ epoxy composites are prepared by cast-molding method. The mechanical properties of the composites and the relationship between the properties and the microstructure of the composites are investigated. The results show that strength and toughness of epoxy resin are obviously improved with the addition of carbon nanotubes in resin. The tensile stress-strain curves indicate that the mechanical property of composites is better than that of pure resin matrix. The composite with 3.0wt% carbon nanotube content has much higher value than that of pure resin, 90% ~ 100%,higher in tensile strength,60% ~ 70% higher in tensile modalus and 150% ~ 200% higher in breaking elongation. SEM images analyses of the fracture section of the composite display that the addition concentration of carbon nanotubes in resin has a close relation with the mechanical property of carbon nanotube/epoxy resin composites.
Keywords:Carbon nanotubes  Epoxy resin  Composite
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