書誌事項
- タイトル別名
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- On the Properties of Semihard Magnetic Alloys “Recalloy” in the Fe-Nb-Co-W and Fe-Ta-Co-W Systems
- Fe Nb Co Wケイ オヨビ Fe Ta Co Wケイ ハン コウシツ ジ
- On the Properties of Semihard Magnetic Alloys “Recalloy” in the Fe-Nb-Co-W and Fe-Ta-Co-W Systems
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The magnetic properties, the thermal expansion coefficient α, the electrical resistivity ρ and the hardness Hv have been studied for the Fe-<about 3 mass%Nb-20 mass%Co-<10 mass%W alloys and Fe-<about 5 mass%Ta-20 mass%Co-<10 mass%W alloys. All the alloys used in this study were water quenched from 1323 K, cold drawn by 97.2% reduction in area and subsequently reheated at 673-1273 K for the period less than 18 ks. The magnetic properties of the Fe-Nb-Co-W and Fe-Ta-Co-W alloys depend remarkably on the tungsten content, the reheating temperature and the reheating time. Among these properties, both Br⁄Bs and Hc increase particularly with increasing W content. The thermal expansion coefficient α shows a minimum at the composition of 3 mass%W in the former alloys and a maximum at 7 mass%W in the latter alloys, respectively, and these values are less than 10×10−6 K−1. With increasing W content in both of these alloy systems, ρ and Hv increase monotonically for the most part. When water quenched, cold drawn and subsequently reheated at 973 K for 18 ks, an Fe-about 2 mass%Nb-20 mass%Co-5 mass%W alloy exhibits the following values: B8=1.97T at 8 kA·m−1, Br=1.85T, Br⁄B8=0.94, Hc=1.84 kA·m−1, \sqrt(BH)max⁄BrHc=0.94, α=9.8×10−6 K−1 at 273–313 K, ρ=0.263 μΩ·m and Hv=404. Also, an Fe-about 3 mass%Ta-20 mass%Co-5 mass%W alloy exhibits: B8=2.02T, Br=1.89T, Br⁄B8=0.94, Hc=2.03 kA·m−1, \sqrt(BH)max⁄BrHc=0.94, α=9.3×10−6 K−1, ρ=0.234 μΩ·m and Hv=446.
収録刊行物
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- 日本金属学会誌
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日本金属学会誌 45 (12), 1271-1278, 1981
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
- 1390282681460259712
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- NII論文ID
- 130007335687
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- NII書誌ID
- AN00187860
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- ISSN
- 18806880
- 24337501
- 00214876
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- NDL書誌ID
- 2431713
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- NDL
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