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Titolo:
Development of low loss Mn-Zn ferrites having the fine microstructure
Autore:
Otobe, S; Yachi, Y; Hashimoto, T; Tanimori, T; Shigenaga, T; Takei, H; Hontani, K;
Indirizzi:
FDK CORP, Shizuoka 4310495, Japan FDK CORP Shizuoka Japan 4310495FDK CORP, Shizuoka 4310495, Japan
Titolo Testata:
IEEE TRANSACTIONS ON MAGNETICS
fascicolo: 5, volume: 35, anno: 1999,
parte:, 2
pagine: 3409 - 3411
SICI:
0018-9464(199909)35:5<3409:DOLLMF>2.0.ZU;2-Z
Fonte:
ISI
Lingua:
ENG
Keywords:
low loss Mn-Zn ferrite; 100kHz; microstructure control; grain boundary; additives;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
8
Recensione:
Indirizzi per estratti:
Indirizzo: Otobe, S FDK CORP, 2281 Washizu, Shizuoka 4310495, Japan FDK CORP 2281 Washizu Shizuoka Japan 4310495 uoka 4310495, Japan
Citazione:
S. Otobe et al., "Development of low loss Mn-Zn ferrites having the fine microstructure", IEEE MAGNET, 35(5), 1999, pp. 3409-3411

Abstract

We studied relations between the microstructure and core loss of Mn-Zn ferrites for power supplies. As the results, we found that the lowest core loss was achieved at 100 kHz and 200 mT condition when the average grain size were 15 to 17 mu m. Then, we examined the effect of the third element in addition to CaO-SiO2 on their deposition behavior in the grain boundary and we found the some additives such as Nb2O5, Ta2O5 and ZrO2 which reduce the core loss. Further more, by optimizing the sintering condition, we were ableto obtain the extremely low loss Mn-Zn ferrite material for power applications.

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Documento generato il 19/09/20 alle ore 11:46:29