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氧化石墨烯改性碳玻混杂纤维增强复合材料的压缩性能 被引量:1

Compressive properties of graphene oxide modified carbon/glasshybrid fiber reinforced composite
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摘要 为研究双轴向碳玻混杂复合材料压缩性能,采用真空辅助树脂传递模塑成型工艺(VARTM)制备不同质量分数的纳米氧化石墨烯(GO)改性碳玻混杂纤维复合材料试样,分析不同GO质量分数对碳玻混杂复合材料压缩性能的影响。结果表明:经GO改性后复合材料试样沿0°和90°方向压缩强度分别提高了12.24%和19.64%。以试样压缩性能为目标值,通过非线性拟合并经实验验证,表明最优GO质量分数为0.21%。试样微观断裂形貌图表明,经GO改性后复合材料纤维/基体界面结合面积与强度得到提高,可有效抑制纤维分层及界面脱黏,可见GO改性可以明显提高碳玻混杂纤维复合材料压缩性能。研究结果可为深入分析GO机理,提高混杂纤维复合材料力学性能提供一定的参考。 To investigate the compressive properties of biaxial carbon/glass hybrid fiber composite,graphene oxide(GO)modified carbon/glass hybrid fiber reinforced composite samples with different mass fractions were prepared using vacuum-assisted resin transfer molding(VARTM),and the impact of different GO mass fraction on the compressive properties of carbon/glass hybrid fiber composite was analyzed.The results showed that the compressive strength of the GO modified composite samples along the 0°and 90°directions was improved by 12.24%and 19.64%,respectively.As far as the compressive properties of the specimen are concerned the result was nonlinear fitted and verified by experiment,through nonlinear fitting and experimental verification,it was found that the optimal GO mass fraction is 0.21%.The microscopic sample fracture topography indicated that the interfacial bonding area and strength between fiber and matrix of GO modified composite were are improved,and fiber delamination and interfacial debonding were effectively inhibited.It revealed that through GO modification,the compressive properties of carbon/glass hybrid fiber composite can be significantly improved.The research results can provide a certain reference for in-depth analysis of GO mechanism and the improvement of the mechanical properties of hybrid fiber composites.
作者 陈嘉炜 张宏伟 高晓平 CHEN Jiawei;ZHANG Hongwei;GAO Xiaoping(College of Textile and Light Industry,Inner Mongolia University of Technology,Hohhot 010080,China)
出处 《现代纺织技术》 北大核心 2022年第2期75-84,共10页 Advanced Textile Technology
基金 国家自然科学基金地区项目(51765051)。
关键词 氧化石墨烯改性 碳玻混杂纤维 复合材料 压缩强度 压缩模量 非线性拟合 graphene oxide modification carbon/glass hybrid fiber composite compressive strength modulus of compression nonlinear fitting
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