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首页> 外文期刊>IEEE Transactions on Magnetics >Magneto-impedance and /spl Delta/E measurements of iron- and cobalt-based amorphous wires
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Magneto-impedance and /spl Delta/E measurements of iron- and cobalt-based amorphous wires

机译:铁和钴基非晶线的磁阻抗和/ spl Delta / E测量

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摘要

Magneto-impedance and /spl Delta/E measurements of amorphous wires having the compositions Fe/sub 77.5/Si/sub 10/B/sub 15/ and Co/sub 72.5/Si/sub 12.5/B/sub 15/ in the as-quenched and annealed states are presented. The results are interpreted in the light of the widely accepted core-shell domain models for positively and negatively magnetostrictive amorphous wires respectively. It is concluded that in wires of Fe/sub 7.5/Si/sub 10/B/sub 15/ the radial easy axis structure in the shell of the as-quenched wire weakens after light annealing, eventually giving way to a circumferential structure when surface crystallization occurs. In wires of Co/sub 72.5/Si/sub 12.5/B/sub 15/ significant circumferential anisotropy is inferred in all states of annealing studied.
机译:具有以下成分的Fe / sub 77.5 / Si / sub 10 / B / sub 15 /和Co / sub 72.5 / Si / sub 12.5 / B / sub 15 /组成的非晶线的磁阻抗和/ spl Delta / E测量给出了淬火和退火状态。根据广泛接受的分别用于正和负磁致伸缩非晶线的核-壳结构域模型来解释结果。结论是,在Fe / sub 7.5 / Si / sub 10 / B / sub 15 /的线中,淬火后的线壳的径向易轴结构在轻退火后会减弱,最终在表面被屈服时变为圆周结构发生结晶。在Co / sub 72.5 / Si / sub 12.5 / B / sub 15 /的线材中,在研究的所有退火状态下均得出明显的周向各向异性。

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