Microwave magnetic field heating of a cobalt-based amorphous ribbon

Tomotsugu Kato; Noboru Yoshikawa; Shoji Taniguchi; Yutaro Terakado; Naoki Ito; Motoki Ohta; Yoshihito Yoshizawa

doi:10.1143/JJAP.50.033001

Microwave magnetic field heating of a cobalt-based amorphous ribbon

Tomotsugu Kato, Noboru Yoshikawa, Shoji Taniguchi, Yutaro Terakado, Naoki Ito, Motoki Ohta, Yoshihito Yoshizawa

ENG - Metallurgy

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

The relationship between the magnetic properties of a Co-based amorphous ribbon and its heating by a microwave magnetic field (h_f) was investigated by using a 5.8-GHz single-mode applicator. The amorphous ribbon has a magnetic anisotropy in the ribbon plane. Heating efficiency of h_f which was applied in the direction perpendicular to the casting direction was better than that of it applied along the casting direction. The contribution of magnetic loss to the h_f heating was evaluated quantitatively when the h_f was applied to both directions. The contribution of magnetic loss was more than 80% when the microwave h_f was applied perpendicular to the casting direction, and less than 20% when it was applied parallel to the casting direction.

Original language	English
Article number	033001
Journal	Japanese journal of applied physics
Volume	50
Issue number	3
DOIs	https://doi.org/10.1143/JJAP.50.033001
Publication status	Published - 2011 Mar 1

ASJC Scopus subject areas

Engineering(all)
Physics and Astronomy(all)

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AU - Kato, Tomotsugu

AU - Yoshikawa, Noboru

AU - Taniguchi, Shoji

AU - Terakado, Yutaro

AU - Ito, Naoki

AU - Ohta, Motoki

AU - Yoshizawa, Yoshihito

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AB - The relationship between the magnetic properties of a Co-based amorphous ribbon and its heating by a microwave magnetic field (hf) was investigated by using a 5.8-GHz single-mode applicator. The amorphous ribbon has a magnetic anisotropy in the ribbon plane. Heating efficiency of hf which was applied in the direction perpendicular to the casting direction was better than that of it applied along the casting direction. The contribution of magnetic loss to the hf heating was evaluated quantitatively when the hf was applied to both directions. The contribution of magnetic loss was more than 80% when the microwave hf was applied perpendicular to the casting direction, and less than 20% when it was applied parallel to the casting direction.

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Microwave magnetic field heating of a cobalt-based amorphous ribbon

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