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Effects of Permeability on DC Biased Properties of Powder Cores and Modeling
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- Handa Susumu
- Tamura Corporation
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- Oshima Yasuo
- Tamura Corporation
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- Akaiwa Kouta
- Tamura Corporation
Bibliographic Information
- Other Title
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- 比透磁率が圧粉磁心の直流重畳特性へ及ぼす影響とそのモデル化
- ヒトウジリツ ガ アップンジシン ノ チョクリュウ チョウジョウ トクセイ エ オヨボス エイキョウ ト ソノ モデルカ
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Description
DC biased magnetic properties of Fe-3 mass % Si powder cores have been measured and compared with calculated values using a nonmagnetic grain boundary (NMGB) model. Aluminum oxide fine powder was added into magnetic powder in order to change permeability and the amount of the powder was 0, 0.25, 0.4, 0.7, 1.0 mass %. DC initial B-H loops were measured and differential permeability was calculated at each magnetic force H. The values were compared with calculated one using the NMGB model which was taken account of gap width distribution. Best agreement of relative inaccuracy was additive amount 0.4 mass %. In that case relative inaccuracy of the powder core was from -0.4 % to 8.4 % with non gap distribution and from -3.00 to 4.00 % with gap distribution. The most improved case was additive amount 0 %. Relative inaccuracy was from -6.0 % to 22.8 % with non gap distribution and from -4.40 to 9.20 % with gap distribution.
Journal
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- Journal of the Japan Society of Powder and Powder Metallurgy
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Journal of the Japan Society of Powder and Powder Metallurgy 57 (10), 647-653, 2010
Japan Society of Powder and Powder Metallurgy
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Details 詳細情報について
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- CRID
- 1390282681285623680
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- NII Article ID
- 10027408601
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- NII Book ID
- AN00222724
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- COI
- 1:CAS:528:DC%2BC3cXhtlygu7zL
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- ISSN
- 18809014
- 05328799
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- NDL BIB ID
- 10885498
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL Search
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed