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实验证明:无磁场退火使合金静磁性能恶化,而纵向磁场退火有效地消除了内应力、局部感生各向异性和畴壁钉扎,并形成感生单轴磁各向异性,静态磁性获得显著提高。μ_m为2.12H/m,Hc为0.32A/m,μ_(0.15)为0.12H/m,Br/Bs为0.9,当θ为30°时,不均匀的倾斜磁场退火,比纵向磁场退火可进一步提高静态磁性,μ_m高达2.30H/m,μ_(0.15)为0.33H/m,Hc为0.24A/m,Br/Bs为0.92,磁滞损耗显著减小,而且对提高交流μ_e有一定作用。非均匀的45°倾斜磁场退火比纵向磁场退火有明显改善交流μ_e的作用。
The experimental results show that the nonmagnetic field annealing deteriorates the magnetostatic performance of the alloy, while the longitudinal magnetic field annealing effectively eliminates the internal stress, the local induced anisotropy and the wall pinning, and the induced uniaxial anisotropy, and the static magnetic gain Significantly increased. μ_m is 2.12H / m, Hc is 0.32A / m, μ_ (0.15) is 0.12H / m and Br / Bs is 0.9. When θ is 30 °, the nonuniform gradient magnetic field is annealed and further annealed than the longitudinal magnetic field The static magnetic properties were improved with μ_m as high as 2.30H / m, μ_ (0.15) 0.33H / m, Hc 0.24A / m and Br / Bs 0.92. The hysteresis loss was significantly reduced and the μ_e increased. The non-uniform 45 ° gradient magnetic field anneal significantly improves the ac μ_e effect compared to the longitudinal magnetic field anneal.