碳系填料环氧树脂导电复合材料老化的电学自监测  

Electrical Self-monitoring of the Aging of Epoxy Resin Conductive Composites with Carbon-based Fillers

作　　者：臧凤祥 李风 王亭沂 张瑾[2] 华陈权[1] ZANG Feng-xiang;LI Feng;WANG Ting-yi;ZHANG Jin;HUA Chen-quan(College of Control Science and Engineering,China University of Petroleum(East China);Sinopec Shengli Oilfield Technical Testing Center)

机构地区：[1]中国石油大学(华东)控制科学与工程学院 [2]中国石化胜利油田技术检测中心

出　　处：《化工自动化及仪表》2024年第5期872-878,共7页Control and Instruments in Chemical Industry

基　　金：山东省重点研发计划(批准号:2019GHZ001)资助的课题;中石化科技攻关项目(批准号:722061)资助的课题。

摘　　要：为实现环氧树脂导电复合材料老化情况的自监测,在双酚A型环氧树脂中添加不同质量分数的碳纳米管、碳黑、石墨烯,经力学、电学测试,优选出碳纳米管作为优选填料,添加量0.3wt%。之后,对0.3wt%的碳纳米管环氧树脂复合材料进行加速老化实验,用拉伸性能保留率表征老化,并获得了拉伸性能保留率和电阻变化率的关系。For purpose of realizing self-monitoring of the aging of epoxy resin conductive composite,carbon nanotubes,carbon black and graphene with different mass fractions were added to bisphenol A epoxy resin.After mechanical and electrical tests,carbon nanotubes were selected as the optimal filler,and the added amount was 0.3wt%.After that,the accelerated aging experiment of 0.3wt%carbon nanotube epoxy resin composite was carried out,including making use of the retention rate of tensile property characterize the aging and obtain relationship between the retention rate of tensile property and the change rate of the resistance.

关 键 词：无损检测 老化监测 导电复合材料 自监测 电阻变化率 拉伸性能保留率 

分 类 号：TP216[自动化与计算机技术—检测技术与自动化装置]