In situ detection method for obtaining permeability of Fe-based amorphous alloys: ac resistance measurement for Fe84Nb7B9

作者: Tetsu Ichitsubo , Eiichiro Matsubara , Satoshi Tanaka , Nobuyuki Nishiyama , Kenji Amiya

DOI: 10.1063/1.1852713

关键词: In situFerromagnetismMetallurgyAmorphous metalMagnetic susceptibilityComposite materialAc resistanceSkin effectMaterials sciencePermeability (electromagnetism)Electrical resistivity and conductivityPhysics and Astronomy (miscellaneous)

摘要: In this letter, we propose an in situ detection method for obtaining permeability of soft magnetic Fe-based amorphous alloys. The temperature dependence ac resistance was measured at different frequencies during heat treatment Fe84Nb7B9 A significant increase the (∼1000kHz) appears around 920 K heating process, which arises from skin effect caused by a marked sample permeability. This diminishes when is heated to approximately 1100 K, corresponds decrease its Consequently, note that measurement useful quick assessment achieve property alloy.

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