氧化石墨烯/炭纤维/环氧树脂基复合材料的制备及其层间剪切性能

韩潇; 肇研; 孙健明; 李烨; 张金栋; 郝月

doi:10.1016/S1872-5805(17)60107-0

氧化石墨烯/炭纤维/环氧树脂基复合材料的制备及其层间剪切性能

doi: 10.1016/S1872-5805(17)60107-0

北京航空航天大学材料科学与工程学院, 北京 100191

详细信息

作者简介:
韩潇,博士研究生.E-mail:hanxiao9107@163.com

通讯作者:
肇研,博士,教授.E-mail:jennyzhaoyan@buaa.edu.cn

中图分类号: TB332
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- 文章访问数: 630
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- 被引次数: 0
出版历程
- 收稿日期: 2016-10-10
- 录用日期: 2017-02-25
- 修回日期: 2016-12-30
- 刊出日期: 2017-02-28

Effect of graphene oxide addition on the interlaminar shear property of carbon fiber-reinforced epoxy composites

School of Materials Science and Engineering, Beihang University, Beijing 100191, China

摘要

摘要: 利用预浸料技术热压工艺，制备了氧化石墨烯改性的炭纤维环氧树脂基复合材料。为获得更好的分散效果及加工性能，选用四氢呋喃作为溶剂来分散氧化石墨烯。结果显示：含有氧化石墨烯的混合胶液体系可稳定3 h左右，满足预浸料制备工艺要求；制得的复合材料单向层板层间剪切强度（ILSS）有较大提高，当氧化石墨烯含量为0.10%时，其达到96.14 MPa，与空白样板相比提高了约8.05%，玻璃化转变温度升高近5℃。断面形貌分析表明，上述显著提高可能是由于氧化石墨烯的加入使得环氧树脂增韧以及炭纤维复合材料的界面得到较大的改善所致。
- 氧化石墨烯 /
- 复合材料 /
- 炭纤维 /
- 环氧树脂 /
- 层间剪切强度
Abstract: Carbon fiber-reinforced composites were manufactured by hot pressing stacked carbon fiber prepregs using graphene oxide (GO)-modified epoxy resin as the matrix. Tetrahydrofuran was used as the solvent to disperse GO in the epoxy resin. Results showed that a homogeneous GO-modified epoxy system could be obtained, which was stable for approximately 3 h, long enough to produce the prepreg. The incorporation of 0.10 wt% GO into the epoxy resin achieved the largest interlaminar shear strength (ILSS) of 96.14 MPa for laminates, 8.05% higher than that without GO. Also, the glass transition temperature of the composite was increased by approximately 5℃. The improvement of ILSS could be attributed to the toughening of the epoxy resin and an improvement in the interfacial adhesion between carbon fibers and epoxy matrix.
- Graphene oxide /
- Composite /
- Carbon fiber /
- Epoxy resin /
- ILSS

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