Surface Resistance of Carbon Fiber Composites Reinforced by Graphene

来源 :第二届中国国际复合材料科技大会 (CCCM-2) | 被引量 : 0次 | 上传用户:mervin10183
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
  For the motivation to solve electromagnetic shielding problem of carbon fiber reinforced composites used in the area of aviation, grapheme with high conductivity was used to enhance surface resistance of composites.
其他文献
对于CO2 还原这样涉及多个电子和质子的慢反应动力学的反应历程,ms~s 时间尺度的红外光谱"快速扫描"模式是研究其反应机理的重要手段.通过对于光谱反应动力学的研究,结合13C/12C 的同位素分析,可以鉴别光催化CO2 还原过程的反应中间体,并推测其分子结构.
会议
Charge separation is a challenging and long-standing issue in photocatalysis.Many useful strategies for improving charge separation have been explored extensively,for example,constructing p-n junction
光催化还原CO2 可同时实现碳资源的循环利用和CO2 减排[1].构建半导体敏化剂/分子催化剂复合体系可利用半导体的强吸光和分子催化剂的高催化活性的优点,实现对CO2 的高效光催化还原[2].
会议
本文参照了ACI 440.3R-04和GB/T 1448-2005提供的试验方法,研究了不同长径比的玻璃纤维增强聚合物(GFRP)筋在盐碱环境下的压缩性能的变化.主要是将不同长径比的GFRP筋试样分别浸泡在盐环境、碱环境以及盐碱复合环境中进行腐蚀,以其抗压强度作为评价标准.实验结果表明,长径比的变化和腐蚀环境的变化对于GFRP筋的抗压强度均有一定的影响,并且利用扫描电子显微镜/能谱(SEM/EDS
采用反气相色谱(IGC),以正癸烷、正壬烷、正辛烷和正庚烷为非极性溶剂探针,甲苯、二氯甲烷、乙醇和丙酮为极性溶剂探针测试了石墨烯树脂在30℃下的表面能。采用Schultz法由非极性探针的保留时间计算了石墨烯的色散表面张力。根据Good-van Oss方程,由碱性探针甲苯和酸性探针二氯甲烷的极性吸附能计算得到石墨烯的极性表面张力。
本文针对航空用碳纤维复合材料存在的电磁屏蔽问题,使用高导电石墨烯与PEK-C制备成大尺寸石墨烯导电薄膜,将薄膜铺贴于预浸料叠层块表面,通过热压罐固化制备得到石墨烯复合材料,测试了石墨烯导电薄膜和石墨烯复合材料的表面电阻,薄膜表面电阻在50ohm/sq左右,复合材料的表面电阻为0.26ohm/sq左右,对石墨烯复合材料的导电机理进行了相应的理论分析,同时对该方法存在的优势和不足进行了相应的阐述.
The effect on rheological properties of silica/bismaleimide (BMI)/glass fiber prepregs were investigated, where the silica were surface treated bydifferent coupling agents KH-550, KH-560 and KH-570.Th
This paper studied the compressive performance of GFRP bars with different length to diameter ratio (L/D ratio) in a simulated salt and alkali environment.Experiment and test method was based on ACI 4
With its excellent interlaminar fracture properties, the stitched fabric-reinforced composite has become a research focus at home and abroad.As the crucial material, carbon fibers demage is the key te
Inverse gas chromatography (IGC) was used to measure the surface energy of graphene in this work.Using the Schultz method, decane, nonane, octane and heptane were chosen as the neutral probes to calcu
会议