EDP Sciences Journals List
Issue J. Phys. IV France
Volume 07, Number C1, Mars 1997
7th INTERNATIONAL CONFERENCE ON FERRITES
Page(s) C1-127 - C1-128
DOI http://dx.doi.org/10.1051/jp4:1997141

7th INTERNATIONAL CONFERENCE ON FERRITES

J. Phys. IV France 07 (1997) C1-127-C1-128

DOI: 10.1051/jp4:1997141

Study of P Influenced to Magnetic Characteristics of Mn-Zn Ferrites for Power Applications

S. Otobe, T. Hashimoto, H. Takei and T. Maeda

FDK Corporation, Kosai Factory, 2281 Washizu, Kosai-shi, Shizuoka 431-04, Japan


Abstract
We examined that influence of P which changes magnetic characteristics of Mn-Zn ferrites for power applications. As quantity of P increase, larger size grains were formed in the microstructure of ferrite and as the result, core loss increased. We found that P had high solubility on ferrite. Therefore, we supposed that P should generate a great deal of liquid phase even if the amount of P is small. Then, the melting point of ferrite-P was relatively low. As the result, we considered that the large grain is caused by liquid phase.



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