采用溶液浇铸法分别制备了氧化石墨烯(GO)与短切碳纤维(CF)改性聚偏氟乙烯(PVDF)复合膜;采用摩擦磨损试验机和数字电桥研究了复合膜的摩擦磨损性能及介电性能.结果表明:在GO和CF添加量较低时(体积分数小于1%),复合膜的摩擦因数较低,同时具有时间稳定性;GO和CF添加量较高时,随时间延长,CF/PVDF复合膜的摩擦因数增大,而GO/PVDF复合膜具有时间稳定性;随着GO和CF添加量增多,复合膜的介电常数先升高后下降,介电损耗先下降后升高;随着频率的增大,复合膜的介电常数缓慢下降,而介电损耗先下降后急剧升高.
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