石墨烯-多壁碳纳米管协同增强环氧树脂复合材料的低温力学性能

沈小军; 孟令轩; 付绍云

doi:10.13801/j.cnki.fhclxb.20140502.002

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石墨烯-多壁碳纳米管协同增强环氧树脂复合材料的低温力学性能

doi: 10.13801/j.cnki.fhclxb.20140502.002

1.
嘉兴学院材料与纺织工程学院, 嘉兴 314000;
2.
中国科学院理化技术研究所, 北京 100190

基金项目: 北京市自然科学基金(2122055); 浙江省教育厅科研项目(Y201330172); 浙江省纺织工程重点学科-高效节能短流程纺织先进加工技术 (2010R5012); 嘉兴市科技计划(2013AY11016)

详细信息

通讯作者:
付绍云,博士,研究员,博士生导师,研究方向为聚合物基复合材料。E-mail:syfu@mail.ipc.ac.cn

中图分类号: TB332
计量
- 文章访问数: 1359
- PDF下载量: 1768
- 被引次数: 0
出版历程
- 收稿日期: 2013-12-25
- 修回日期: 2014-02-07
- 刊出日期: 2015-02-15

Cryogenic mechanical properties of epoxy composites synergistically reinforced by graphene-multi-walled carbon nanotubes

1.
College of Materials and Textile Engineering, Jiaxing University, Jiaxing 314000, China;
2.
Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China

摘要

摘要: 为了提高环氧树脂的低温力学性能,采用石墨烯与多壁碳纳米管(MWCNTs)协同改性环氧树脂,系统研究了石墨烯-MWCNTs /环氧树脂复合材料的室温(RT)和低温(77 K)力学性能。结果表明:当石墨烯的质量分数为0.1wt%,MWCNTs的质量分数为0.5wt%时, 纳米填料的加入可同时改善环氧树脂的低温拉伸强度、弹性模量和冲击强度;在此最佳含量下, 石墨烯-MWCNTs/环氧树脂复合材料在RT和77 K时的拉伸强度皆达到最大值, 比纯环氧树脂的拉伸强度分别提高了11.04% 和 43.78%。石墨烯和MWCNTs能协同提高环氧树脂的低温力学性能。
- 多壁碳纳米管 /
- 石墨烯 /
- 环氧树脂 /
- 复合材料 /
- 低温力学性能
Abstract: In order to enhance the cryogenic mechanical properties of epoxy, graphene and multi-walled carbon nanotubes (MWCNTs) were used to modify epoxy synergistically. Room temperature (RT) and cryogenic (77 K) mechanical properties of graphene-MWCNTs/epoxy composites were systematically studied. The results show that simultaneous enhancements in cryogenic tensile strength, elastic modulus and impact strength can be achieved with 0.1wt% graphene and 0.5wt% MWCNTs. At this optimal formulation, the tensile strength of graphene-MWCNTs/epoxy composites reaches the highest value at both RT and 77 K, and is increased by 11.04% and 43.78% respectively, compared to pure epoxy. The cryogenic mechanical properties of epoxy can be synergistically enhanced by graphene and MWCNTs.
- multi-walled carbon nanotubes /
- graphene /
- epoxy /
- composites /
- cryogenic mechanical properties