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纳米晶磁芯恒定磁化速率磁性能参数
引用本文:王庆峰,刘庆想,李相强,高国强,张政权,胡克松. 纳米晶磁芯恒定磁化速率磁性能参数[J]. 强激光与粒子束, 2012, 24(5): 1225-1228. DOI: 10.3788/HPLPB20122405.1225
作者姓名:王庆峰  刘庆想  李相强  高国强  张政权  胡克松
作者单位:1.西南交通大学 物理科学与技术学院,成都 61 0031
基金项目:国家高技术发展计划项目,中央高校基本科研业务费专项资金项目
摘    要:设计加工了一套可用于测量环形磁芯在8~12 T/s恒定磁化速率下脉冲性能的实验平台,该实验装置主要包括脉冲形成网络、放电开关、匹配负载及被测磁芯。基于该平台对国产的铁基纳米晶磁芯的磁化曲线进行了测试,得到了铁基纳米晶磁芯在200~300 ns范围内的损耗和非饱和脉冲导磁率。实验结果表明:铁基纳米晶磁芯的相对脉冲导磁率随着磁感应增量增大及工作脉宽减小而减小,磁芯损耗则逐渐增大。

关 键 词:纳米晶磁芯   恒定磁化速率   相对脉冲导磁率   磁化曲线   磁芯损耗
收稿时间:2011-11-15

Magnetic properties of nanocrystalline core at constant magnetization rate
Wang Qingfeng , Liu Qingxiang , Li Xiangqiang , Gao Guoqiang , Zhang Zhengquan , Hu Kesong. Magnetic properties of nanocrystalline core at constant magnetization rate[J]. High Power Laser and Particle Beams, 2012, 24(5): 1225-1228. DOI: 10.3788/HPLPB20122405.1225
Authors:Wang Qingfeng    Liu Qingxiang    Li Xiangqiang    Gao Guoqiang    Zhang Zhengquan    Hu Kesong
Affiliation:1.School of Physical Science and Technology,Southwest Jiaotong University,Chengdu 610031,China
Abstract:A test stand was developed to measure magnetic properties of toroidal magnetic cores at a constant magnetization rate of 8-12 T/μs. The test stand consists of pulse forming network(PFN), discharge switches, load and magnetic core. On the basis of the test stand, the magnetization curves of domestic nanocrystalline magnetic core were measured. The energy losses and relative permeability at 200-300 ns pulse width of toroidal magnetic cores were also tested. The experiment results show that the relative pulse permeability of the nanocrystalline magnetic core decreases with increasing the magnetic induction increment and decreasing the pulse width, while the energy loss increases.
Keywords:nanocrystalline core  constant magnetization rate  relative pulse permeability  magnetization curves  core loss
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