Hopkinson effect in soft magnetic materials

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J Mater Sci Technol ›› 2000, Vol. 16 ›› Issue (02): 145-147.

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Hopkinson effect in soft magnetic materials

Kaiyuan HE, Hui XU, Zhi WANG, Lizhi CHENG

Department of Materials Science and Engineering, Northeastern University, Shenyang 110006, China

Received:1999-07-02 Revised:1999-12-19 Online:2000-03-28 Published:2009-10-10
Contact: Kaiyuan HE

Abstract

Abstract: The mu(i)-T curves of the alloy Fe73.5CU1Nb3Si13.5B9 in the amorphous state and in the nanocrystalline state have been investigated. For comparison, u(i)-T curves of the other two kinds of typical soft magnetic alloys also have been measured. it was found that a sharp Hopkinson peak appeared at the Curie point for each amorphous and crystalline alloy but there was no Hopkinson peak for the nanocrystalline alloy at the Curie point of the residual amorphous phase. This phenomenon has been explained in terms of the characteristic temperature dependence of the effective magnetic anisotropy.

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Kaiyuan HE, Hui XU, Zhi WANG, Lizhi CHENG. Hopkinson effect in soft magnetic materials[J]. J Mater Sci Technol, 2000, 16(02): 145-147.

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Hopkinson effect in soft magnetic materials

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