Bulk Glassy Fe78-xCoxGa2P12C4B4 Alloys with High Saturation Magnetization and Good Soft Magnetic Properties
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- Shen Baolong
- Institute for Materials Research, Tohoku University
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- Kimura Hisamichi
- Institute for Materials Research, Tohoku University
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- Inoue Akihisa
- Institute for Materials Research, Tohoku University
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- Mizushima Takao
- Magnetic Application Department, Alps Electric Co. Ltd.
書誌事項
- タイトル別名
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- Bulk Glassy Fe<SUB>78-x</SUB>Co<SUB>x</SUB>Ga<SUB>2</SUB>P<SUB>12</SUB>C<SUB>4</SUB>B<SUB>4</SUB> Alloys with High Saturation Magnetization and Good Soft Magnetic Properties
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説明
The effect of Co on the magnetic properties and glass-forming ability for the Fe78−xCoxGa2P12C4B4 glassy alloys was investigated. The addition of 4 to 8 at%Co was found to be effective for the extension of the supercooled liquid region (ΔTx) defined by the difference between the glass transition temperature (Tg) and crystallization temperature (Tx). The ΔTx value is 26 K for the Fe78Ga2P12C4B4 alloy and increases to 37 K for the 4 at%Co alloy. Besides, the addition of a small amount of Co was also found to be effective for increasing the saturation magnetization (Is) and decreasing the coercive force (Hc). These glassy ribbon alloys exhibit good soft magnetic properties of 1.36 to 1.43 T for saturation magnetization and 1.5 to 1.8 A/m for coercive force. The largest saturation magnetization (Is) is 1.43 T for Fe74Co4Ga2P12C4B4 alloy. Based on its large ΔTx, we tried to prepare bulk glassy Fe74Co4Ga2P12C4B4 rods in a cylindrical form with different diameters. The glassy single phase was obtained in the diameter of 0.5 and 1.0 mm. These bulk glassy alloys also exhibit high saturation magnetization of about 1.42 T.
収録刊行物
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 42 (6), 1052-1055, 2001
公益社団法人 日本金属学会
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詳細情報 詳細情報について
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- CRID
- 1390282679225065472
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- NII論文ID
- 130004451527
- 10006549922
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- NII書誌ID
- AA1151294X
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- COI
- 1:CAS:528:DC%2BD3MXlvVGmsrw%3D
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- ISSN
- 13475320
- 13459678
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- NDL書誌ID
- 5824127
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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