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| Three Dimensional Magnetic Properties Measurement of Soft Magnetic Composite Materials |
| Li Yongjian1, Yang Qingxin1, 2, An Jinlong1, Zhao Zhigang1, Zhu Jianguo3 |
| 1. Hebei University of Technology Tianjin 300130 China 2. Tianjin Polytechnic University Tianjin 300160 China 3. University of Technology Sydney NSW 2007 Australia |
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Abstract It is difficult for conventional one dimensional (1D) and 2D testing methods to analyze the magnetic properties of the magnetic materials comprehensively. A novel 3D magnetic properties testing method is studied in this paper, which can help to understand the magnetization process and analyze the core loss accurately. A 3D magnetic property tester was designed and 3D rotational magnetic properties measurement of the soft magnetic composite (SMC) materials under rotational excitations were carried out. Calibration and compensation of the novel B-H sensing coils and accurate calculation of the B and H vectors were also analyzed in detail. According to the experimental results, 3D magnetic hysteresis properties and core loss features are analyzed and discussed.
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Received: 30 November 2011
Published: 20 March 2014
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2012, Vol. 27 
