書誌事項
- タイトル別名
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- Properties of High Permeability Alloys Hardperm in the Ni-Fe-Ta System
- Ni-Fe-Taケイ コウトウジリツ ゴウキン Hardperm ノ トクセイ ニ ツイテ
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抄録
Ni-Fe-Ta alloys were vacuum melted in hydrogen atmosphere over the temperature range 1050 to 1350°C and then cooled at various rates of 100 to 8100°C/hr from a temperature above their order-disorder transformation points. Magnetic properties of the alloys were improved by high-temperature heating in hydrogen atmosphere. The highest values of 75000 in initial permeability and 650000 in maximum permeability are obtained for the alloy of 73.00%Ni, 11.60%Fe and 15.40%Ta when cooled at the rate of 800°C/hr after heating at 1250°C for 0.5 or 2 hr, respectively. The latter heat-treated alloy shows a coercive force of 2.9 m Oe and a hysteresis loss of 3.9 erg/cm3/cycle for a maximum magnetic induction of 5 kG. The electrical resistivity of this alloy is 70.1μΩ-cm, with Vickers hardness 211. The high permeability of Ni-Fe-Ta alloys appears to be due to the removal of impurities, homogenization of alloys and grain growth by high-temperature heat treatment and also to the low value of magnetostriction in the proper ordering state of the alloys.
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 38 (10), 925-928, 1974
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
- 1390001206485428736
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- NII論文ID
- 40018255417
- 130007339001
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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
- 7611064
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- データソース種別
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- JaLC
- NDL
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