耐热冲击NiCuZn铁氧体材料FN406-X开发  

Development of thermal shock resistant NiCuZn ferrite material FN406-X

作　　者：朱晏军 聂敏 ZHU Yan-jun;NIE Min(Shenzhen Shunluo Electronics Co,Ltd,Guangdong 518110,China)

机构地区：[1]深圳顺络电子股份有限公司,广东深圳518110

出　　处：《磁性材料及器件》2022年第6期87-90,共4页Journal of Magnetic Materials and Devices

摘　　要：采用传统陶瓷工艺,通过添加含硅复合材料制备NiCuZn铁氧体材料FN406-X,并与传统的同类NiCuZn铁氧体材料性能进行比较。实验表明,FN406-X材料结晶均匀,晶界鲜明,晶粒尺寸为10~20μm,结构致密,气孔率低;且材料磁通密度为443 mT,居里温度高于250℃,密度为5.28 g/cm^(3),热膨胀系数为11.8×10^(-6)/K。由FN406-X材料制作的4012磁芯和5012磁芯样品耐热冲击良品率和回流焊良品率均为100%;4012磁芯摆折强度为8.2 N,芯折强度为87.6 N;5012磁芯摆折强度为13.8 N,芯折强度为89.5 N,均优于传统材料制作的同类磁芯。NiCuZn ferrite material FN406-X is prepared by adding silicon composite material,and compared with the traditional similar NiCuZn ferrite material.The experiment results show that the FN406-X material features uniform crystallization,distinct grain boundary,grain size of 10 to 20μm,compact structure and less porosity,magnetic flux density of 443 mT,Curie temperature of higher than 250℃,density of 5.28 g/cm^(3),and thermal expansion coefficient of 11.8×10^(-6)/K.The heat shock yield and reflow yield of magnetic core samples are 100%.The pendulum folding and core folding strength of 4012 magnetic core are 8.2 N and 87.6 N while the pendulum folding and core folding strength of 5012 magnetic core are 13.8 N and 89.5 N,respectively,superior to similar magnetic cores made of traditional materials.

关 键 词：NICUZN铁氧体材料 磁芯 耐热冲击 力学性能 

分 类 号：TM277.1[一般工业技术—材料科学与工程]