摘要
用熔体快淬法制备出3种FeCuNbSiB纳米晶合金带材,绕制成50 mm×32 mm×20 mm的环形磁环,随后在530~620℃下进行等温退火,研究退火温度对合金磁性能的影响。结果表明:随着退火温度的增加,合金内部晶化相的晶粒尺寸和体积分数有所增加。在550~600℃等温退火后合金具有相对较低的矫顽力(Hc为1.0~1.5 A/m,测试条件:Bm=100 mT,f=10 kHz)和损耗值(Pm为1.4~1.8 W/kg,测试条件:Bm=300 mT,f=10 kHz),特别是经过570~590℃退火后合金在1 kHz^50 kHz频率范围内具有最佳的磁导率。同时,在1 kHz^10 MHz频率范围内,不同测试频率下合金阻抗值对应的最佳退火温度也不同。
Three FeCuNbSiB nanocrystalline alloy strips were prepared by melt-fast quenching method,and the ring-shaped magnetic ring with dimensions of 50 mm×32 mm×20 mm was prepared and then annealed at 530-620℃,and the effect of the annealing temperature on the magnetic properties of the FeCuNbSiB alloys was studied.The results show that,with the increase of the annealing temperature,the grain size and volume fraction of the crystallization phase in the alloy are increased.After annealing at 550-600℃,the alloys have a relatively low coercivity(Hc is 1.0-1.5 A/m,test condition:Bm=100 mT,f=10 kHz)and core loss value(Pm is 1.4-1.8 W/kg,test condition:Bm=300 mT,f=10 kHz),especially after annealing at 570-590℃,the alloy has the best magnetic permeability in the frequency range of 1 kHz to 50 kHz.At the frequency range of 1 kHz to 10 MHz,the optimum annealing temperature corresponding to the impedance value of the alloy at different test frequencies is also different.
作者
潘贇
刘天成
陈非非
刘迎春
李广敏
唐冬冬
PAN Yun;LIU Tian-cheng;CHEN Fei-fei;LIU Ying-chun;LI Guang-min;TANG Dong-dong(China Iron&Steel Research Institute Group,Beijing 100081,China;Advanced Technology&Materials Co Ltd,Beijing 100081,China)
出处
《材料热处理学报》
EI
CAS
CSCD
北大核心
2020年第3期89-95,共7页
Transactions of Materials and Heat Treatment
基金
国家重点研发计划(2016YFB0300500)。
关键词
纳米晶合金
磁性能
热处理
nanocrystalline alloys
magnetic properties
heat treatment
作者简介
潘贇(1996-),男,硕士研究生,主要从事非晶纳米晶合金软磁性能研究,E-mail:panyun1996@outlook.com;通信作者:刘天成(1978-),男,硕士,博士,高级工程师,主要从事非晶纳米晶软磁材料研究,E-mail:liutiancheng@atmcn.com。
