TiO2掺杂对MnZn功率铁氧体性能的影响
Effect of TiO2 doping on properties of MnZn power ferrite
朱江坡 1王鸿健 1夏铭洋 1邢冰冰1
作者信息
- 1. 天通控股股份有限公司,浙江嘉兴 314400
- 折叠
摘要
采用传统氧化物陶瓷法制备低功耗的MnZn功率铁氧体,研究了TiO2掺杂对功率铁氧体微观结构、饱和磁感应强度、起始磁导率和功率损耗的影响.结果表明:适量添加TiO2能够改善晶粒均匀性,提高饱和磁感应强度、起始磁导率,降低损耗尤其是低温损耗,但是加入过多的TiO2会导致晶粒异常长大,饱和磁感应强度降低,高温损耗恶化.当TiO2含量为0.25％时,铁氧体烧结样品的晶粒尺寸大小均匀,饱和磁感应强度达到最大值,损耗较低.
Abstract
Low power MnZn power ferrites were prepared using traditional oxide ceramic methods.The effects of TiO2 doping on the microstructure,saturation magnetic induction,initial magnetic permeability,and power loss of power ferrites were studied.The results show that adding an appropriate amount of TiO2 can improve grain unifor-mity,increase saturation magnetic induction strength,initial magnetic permeability,and reduce losses,especially at low temperatures.However,adding too much TiO2 can cause abnormal grain growth,decrease saturation magnetic induction strength,and worsen high temperature losses.When the TiO2 content is 0.25％,the ferrite sintered sam-ples have uniform grain size,maximum saturation magnetic induction strength,and low loss.
关键词
MnZn功率铁氧体/TiO2掺杂/微观结构/磁性能/磁损耗Key words
MnZn power ferrite/TiO2 doping/microstructure/magnetic property/magnetic loss引用本文复制引用
出版年
2024
NETL
NSTL
万方数据