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DOMAIN STRUCTURE OF LOCAL CURRENT ANNEALED AMORPHOUS RIBBONS

机译:局部电流退火非晶丝带的域结构

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Positive and negative magnetostrictive amorphous ribbons have been locally current annealed under local stress to induce different anisotropies, which have been studied by observing the magnetic domains. In samples annealed under low applied stresses, the origin of the induced anisotropy is the internal mechanical stresses produced during the thermal treatment, due to the change in volume of the annealed zones. In samples annealed under high stresses, the main origin of the induced anisotropy is the stresses produced by plastic deformations. After current annealing, local changes in the magnetostriction constant have been found in Co-based amorphous ribbons with low magnetostriction constant.
机译:正极和负磁致伸缩非晶带已经在局部应激下局部电流诱导,以诱导不同的各向同性,这通过观察磁性结构域已经研究。在低施加的应力下退火的样品中,诱导各向异性的起源是由于退火区的体积变化导致在热处理期间产生的内部机械应力。在高应力下退火的样品中,诱导各向异性的主要起源是通过塑性变形产生的应力。在当前退火之后,已经在具有低磁致节常数的Co-鎓非晶带中发现了磁致伸缩常数的局部变化。

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