带材厚度对Fe75.2Si13B8Cu1Nb2.8纳米晶软磁合金磁畴结构和高频磁性能的影响

带材厚度对Fe_75.2Si₁₃B₈Cu₁Nb_2.8纳米晶软磁合金磁畴结构和高频磁性能的影响

施博文, 李艳辉, 冯拓, 王雨, 蒋丽, 于凤云, 杨陆, 张伟

Effect of Ribbon Thickness on Magnetic Domain Structures and High-Frequency Magnetic Properties of Fe_75.2Si₁₃B₈Cu₁Nb_2.8 Nanocrystalline Soft Magnetic Alloy

SHI Bowen, LI Yanhui, FENG Tuo, WANG Yu, JIANG Li, YU Fengyun, YANG Lu, ZHANG Wei

图4 843 K退火60 min后不同厚度Fe_75.2Si₁₃B₈Cu₁Nb_2.8合金带材的有效磁导率(μ_e)和单位质量铁心损耗(P_cm)与频率的关系

Fig.4 Frequency (f) dependences of μ_e (The arrows denote the frequencies for μ_e starting to decline) (a) and P_cm (Inset shows the partial enlarged view of 10-100 kHz) (b) of Fe_75.2Si₁₃B₈Cu₁Nb_2.8 alloy ribbons with different thicknesses after annealing at 843 K for 60 min