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研究了Ｆｅ７６．５－ｘＣｕ１．０ＮｂｘＳｉ１３．５Ｂ９．０纳米软磁合金的磁性，发现当Ｎｂ含量ｘ＝３．０ａｔ％时，合金的软磁性能最高，起始磁导率μｉ可达１４．８×１０４；讨论了Ｎｂ含量Ｘ影响合金磁性的本质。
The magnetic properties of Fe76.5-xCu1.0NbxSi13.5B9.0 nanocrystalline soft magnetic alloys were investigated. It was found that when Nb content was 3.0at%, the soft magnetic properties of the alloy were the highest, and the initial permeability μi was 14.8 × 104; The effect of Nb content X on the magnetic properties of the alloy was discussed.