Fe-W系合金（Gentalloy）の減衰能について

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タイトル別名
  • Damping Capacity of Gentalloy in the Fe-W System
  • Fe Wケイ ゴウキン Gentalloy ノ ゲンスイノウ ニ ツイテ

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Measurements of the internal friction Q−1 and mechanical properties have been carried out on open-melted Fe-W alloys containing 0∼20%W. The highest Q−1 value of 34×10−3 at room temperature is obtained with an Fe-14%W alloy rapid-cooled after heating at 1200°C for 1 h. The Q−1 value measured at temperature T increases with increasing T, and shows a minimum near T⁄Tc=0.7 (Tc: magnetic transformation temperature). If a static magnetic field H is applied to the specimen, Q−1 shows a two-step decrease with increasing H. The variations of Q−1 and the coercive force Hc with composition and/or heat-treatment are opposite to each other, i.e. the alloys having larger Q−1 exhibit smaller Hc. The mechanical strength of the alloys increases considerably with the W content.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 42 (12), 1134-1137, 1978

    公益社団法人 日本金属学会

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