書誌事項
- タイトル別名
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- On the Damping Capacity of Fe-Cr Alloys
- Fe Crケイ ゴウキン ノ ゲンスイノウ トクセイ ニ ツイテ
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The internal friction Q−1 was measured by an inverted torsion pendulum for Fe-Cr alloys containing 0∼35%Cr. The measured frequency and the maximum shear strain amplitude γm were 1.1 Hz, and 0.7∼167×10−6, respectively. Generally, the Q−1 value first increases gradually with increasing γm and then sharply increases. In the case of alloys heated at 1200°C, Q−1 goes through a maximum and then decreases.<BR>In Fe-Cr alloys slowly-cooled after heating at 800∼1200°C, the Q−1 value shows two maxima at the compositions of 5%Cr and 15%Cr and increases with increasing heating temperature. An Fe-15%Cr alloy exhibits the highest Q−1 value of 68×10−3 (γm=80×10−6) when slowly-cooled after heating at 1200°C. Besides, the Q−1 value in the rapidly-cooled state shows a maximum only at the composition of 20%Cr.<BR>The variation in the rigidity modulus G with γm is quite similar to that of Q−1. Therefore, fairly large values of Q−1 in Fe-Cr alloys are probably attributable to magnetomechanical hysteresis.
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 43 (6), 471-474, 1979
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
- 1390001206485328256
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- NII論文ID
- 130007338815
- 40002874839
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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
- 2055349
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- JaLC
- NDL
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