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Measurement of saturation magnetostriction of a thin amorphous ribbon by means of small-angle magnetization rotation

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3 Author(s)
Narita, K. ; Kyushu University, Fukuoka, Japan ; Yamasaki, J. ; Fukunaga, H.

A new method was developed to measure the saturation magnetostriction of a thin amorphous ribbon. It is based on the use of small-angle magnetization rotation to measure the change in anisotropy field caused by the tensile stress. Measurements have been performed on Metglas 2826, 2605, and Co-Si-B amorphous ribbons. The maximum experimental error of the measurement was estimated to be about ±5 percent. It is shown that the sensitivity of the method depends on the shape anisotropy field. The estimated sensitivity was about 2 × 10-7for Metglas 2826 ribbon with 1.8 mm × 40 μm × 12 cm in dimensions.

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Magnetics, IEEE Transactions on  (Volume:16 ,  Issue: 2 )