Magnetic measurement of permanent magnet by 40 T long pulse magnet

Author:

Enokizono Masato1,Yamada Koji2,Nakahata Yasushi3

Affiliation:

1. Vector Magnetic Characteristic Technical Laboratory , USA , Japan

2. Faculty of Engineering , Saitama University , Saitama , Japan

3. Faculty of Engineering , Oita University , Oita , Japan

Abstract

Abstract Permanent magnets, especially Nd-Fe-B magnets are very important engineering elements that are widely used in many applications. Detailed design of electrical and electronic equipment using permanent magnets requires precise measurement of magnetic characteristics. We developed a measurement system which can measure the magnetic characteristics of permanent magnets precisely. This paper presents the measured results of magnetic characteristics of various types of permanent magnets and comparison of these characteristics.

Publisher

Walter de Gruyter GmbH

Reference5 articles.

1. [1] S. Chikazumi, Physics of Ferromagnetism Second Edition, Clarendon Press, Oxford, 1997.

2. [2] F. Herlach and N. Miura, “High Magnetic Fields, Science and Technology vol. 1-3, World Scientific, pp. 2003-2006.

3. [3] H. Knoepfel, Pulsed High Magnetic Fields, North-Holland Publishing Co., 1970.

4. [4] Y. Nakahata et al, “Study of sensor structure for magnetization characteristics measurement high pulsed fields”, J. Jpn. Soc. App. Elec. Mach., vol. 19, no. 2, pp. 207-212, (2011).

5. [5] K. I, Yamada et al, “Observation of Barkhausen effect ferromagnetic amorphous ribbon by sensitive pulsed magnetometer”, J. Magnetism and Materials, vol. 104-107, pp. 341-342, (1992).

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