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Under different magnetic field intensities, the dependence of the permeability μ on temperature T(μ-T curve) for the Fe7.3Cu1Nb3Si13.5B9 alloy annealed at 350-620℃ was investigated. The results showed that the magnetic field intensity had a remarkable influence on the shape of μ-T curves. For amorphous alloy, the sharp Hopkinson peak of μ-T curve disappeared gradually with the increase of magnetic field intensity.
Under different magnetic field intensities, the dependence of the permeability μ on temperature T (μ-T curve) for the Fe7.3Cu1Nb3Si13.5B9 alloy annealed at 350-620 ° C was investigated. The results showed that the magnetic field intensity had a remarkable influence for amorphous alloy, the sharp Hopkinson peak of μ-T curve disappeared gradually with the increase of magnetic field intensity.