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Magnetostriction in heterogeneous nanocrystalline materials

机译:异质纳米晶体材料中的磁致伸缩

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摘要

The magnetic field dependence of the deformation in amorphous and nanocrystalline Fe-Si-B-Nb-Cu ribbons has been measured under different applied transverse fields. Although the saturation magnetostriction constant of the samples is positive, a negative net deformation from the remanence state to the saturated state has been found. These experimental measurements can be explained only by considering the existence of volume fractions with magnetostriction constants of different signs which are not completely coupled.
机译:在不同的施加横向场下,已经测量了非晶态和纳米晶态的Fe-Si-B-Nb-Cu薄带中形变的磁场依赖性。尽管样品的饱和磁致伸缩常数为正,但已发现从剩磁状态到饱和状态的负净变形。这些实验测量只能通过考虑具有不完全耦合的不同符号的磁致伸缩常数的体积分数的存在来解释。

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