Improve the Finemet alloy properties by adding Ni elements, and through change the Ni content to control the composition of the alloy system, the alloy has resistance to DC bias characteristics and excellent soft magnetic properties. In the Fe_79.5-XSi₆B₁₂Cu₁Nb_1.5Ni_X (X = 0, 1, 3, 5, 7, 10) alloy, increasing the content of Ni improves the amorphous forming ability of the alloy, and increased thermal stability, the soft magnetic performance has also been improved. with X is about 10 at.% the nanocrystalline core of alloy ribbon annealed show μ is about 3.4 k, and Hc is about 17.51 A/m. The addition of Ni is beneficial to improve the linearity of the hysteresis loop, when the amount of Ni content increases, the linearity is significantly improved, Ni10at.% alloy shows good DC bias resistance in the magnetic field. And tensile stress has also been improved linearity of the hysteresis loop, make the alloy shows good DC bias resistance in the magnetic field of 0–600 A/m. So it has constant magnetic permeability in this magnetic field, the alloys to be a kind of promising material for current transformer with direct current tolerance.

通过添加Ni元素来改善Finemet合金的性能，并通过改变Ni含量来控制合金体系的组成，该合金具有抗直流偏置特性和出色的软磁性能。在Fe _79.5-X Si ₆ B ₁₂ Cu ₁ Nb _1.5 Ni _X中（X ＝ 0、1、3、5、7、10）合金，增加Ni的含量改善了合金的非晶形成能力，并且增加了热稳定性，还改善了软磁性能。当X为约10 at。％时，退火后的合金带的纳米晶核的μ为约3.4 k，Hc为约17.51 A / m。Ni的添加有利于改善磁滞回线的线性度，当Ni含量增加时，线性度显着提高，Ni10at。％合金在磁场中显示出良好的直流偏置电阻。拉伸应力还改善了磁滞回线的线性，使合金在0-600 A / m的磁场中表现出良好的直流偏置电阻。所以它在这个磁场中具有恒定的磁导率，