硬质高岭土在瓷绝缘子坯料配方中的应用分析  

Application Analysis of Hard Kaolin in Porcelain Insulator Blank Formula

作　　者：卢声彦 刘震 LU Shengyan;LIU Zhen(Dalian Insulator Group T&D Co.,Ltd.,Dalian 116001,China;Dalian Insulator(Jiangxi)Co.,Ltd.,Pingxiang 337200,China)

机构地区：[1]大连电瓷集团输变电材料有限公司,辽宁大连116001 [2]大莲电瓷(江西)有限公司,江西萍乡337200

出　　处：《电瓷避雷器》2025年第1期95-98,106,共5页Insulators and Surge Arresters

基　　金：国家电网有限公司总部管理科技项目资助(编号:5500-202155594A-0-5-YS)。

摘　　要：主要研究了硬质高岭土应用在瓷绝缘子坯料配方里,所带来的性能变化。结果表明:硬质高岭土在高温时主要生成了莫来石和少量方石英,降低了残余石英在烧成过程中膨胀收缩对于瓷质性能影响,降低了微裂纹的出现概率。本文通过与应用石英粉坯料的可塑性、瓷质密度、显微结构等进行性能参数对比表征。说明了应用硬质高岭土可以调节配方的可塑性能,瓷质的体积比重得到提高,孔隙率降低,更加的适应烧成工艺的波动,瓷质的机械强度和电气性能可一定幅度得到提升。The author mainly studies the performance changes caused by the application of hard kaolin in the blank formula of porcelain insulator.The results show that hard kaolin mainly produces mullite and a small amount of cristobalite at high temperature,which reduces the influence of the expansion and contraction of residual quartz on the properties of porcelain and the occurrence probability of microcracks.The plasticity,specific gravity and microstructure of quartz powder blank are compared and characterized.It shows that the application of hard kaolin can adjust the plasticity of the formula,increase the bulk density of porcelain,reduce the porosity,more adapt to the fluctuation of firing process,and improve the mechanical strength and electrical properties of porcelain to a certain extent.

关 键 词：硬质高岭土 石英粉 电瓷 显微结构 

分 类 号：TM216[一般工业技术—材料科学与工程]