| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an Fe-based nano-crystalline alloy having high saturated magnetic flux density and also having high magnetic permeability, and to provide a production method therefor. <P>SOLUTION: The alloy composition is expressed by compositional formula of Fe<SB>a</SB>B<SB>b</SB>Si<SB>c</SB>P<SB>x</SB>C<SB>y</SB>Cu<SB>z</SB>, wherein the parameters meet the following conditions: 79≤a≤86 at%; 5≤b≤13 at%; 0<c≤8 at%; 1≤x≤8 at%; 0≤y≤5 at%; 0.4≤z≤1.4 at% and 0.08≤z/x≤0.8. Alternatively, the parameters meet the following conditions: 81≤a≤86 at%; 6≤b≤10 at%; 2≤c≤8 at%; 2≤x≤5 at%; 0≤y≤4 at%; 0.4≤z≤1.4 at% and 0.08≤z/x≤0.8. <P>COPYRIGHT: (C)2010,JPO&INPIT |
