摘要
以聚四氟乙烯(PTFE)为基体,电解铜粉、偶联剂及Si C等材料为填充剂,通过设计不同的原料比例,用冷压烧结的方法制备了一种耐磨导电均质复合材料,并测试了它的压缩性能和导电性。结果表明,随着电解铜粉质量分数增大,复合材料的延展性增强,屈服强度增大,电解铜粉在复合材料内部均匀分布并相互接触形成三维导电网络,提高了复合材料的导电性。复合材料的这些性质说明它可以考虑用作电磁屏蔽及密封件的材料。
Through the design of different material ratios,the polytetrafluoroethylene（PTFE） based wear-resisting conductive homogeneous composites with different contents of electrolytic copper powder,coupling agents and carborundum（Si C） particles were prepared by cold press molding and sintering method.The compressive properties and conductivity of the composites were measured indirectly.The results show that the ductility and yield strength are enhanced with the increasing contents of electrolytic copper powder.The electrolytic copper powders are distributed evenly and in contact with each other to form a three-dimensional conductive network,thus the conductivity of composites improves.These properties of composites show that the composites can be considered as electromagnetic shielding and sealing material.
作者
李金羽
宋桂珍
程建明
刘慧
丁美娟
杨洋
LI Jin-yu,SONG Gui-zhen,CHENG Jian-ming,LIU Hui,DING Mei-juan,YANG Yang(College of Mechanical Engineering,Taiyuan University of Technology,Taiyuan 030024,Chin)
出处
《塑料工业》
CAS
CSCD
北大核心
2018年第5期162-165,共4页
China Plastics Industry
基金
山西省自然科学基金项目(2013011024-1)
太原理工大学大学生创新创业项目(SD17100237)
关键词
PTFE复合材料
电解铜粉
屈服强度
导电性
Polytetrafluoroethylene Composites
Electrolytic Copper Powder
Yield Strength
Conductivity
