Fe-Al-Ni-Co-Cu焼結磁石の二三の性質に対するNb添加の影響について

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タイトル別名
  • On the Effect of Addition of Nb on Some Properties of Sintered Fe-Al-Ni-Co-Cu Magnets (Study on the Sintered Fe-Al-Ni System Magnets, 7th Report)
  • Fe-Al-Ni-Co-Cu ショウケツ ジシャク ノ ニサン ノ セイシツ ニ タイスル Nb テンカ ノ エイキョウ ニ ツイテ

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抄録

The effect of Nb in the form of Fe-Nb alloy containing 70% of Nb added to sintered permanent-magnet alloy of the Alnico 5 type (8.3%Al, 15%Ni, 24%Co, 3%Cu, residue Fe) had been studied, particularly, in relation to their linear shrinkage, density magnetic properties, transverse rupture strength, pore size and microstructure. It had been found, hat the addition of Nb within the range of 0.35∼0.7% improves the qualities of Alnico 5 type alloys prepared by sintering in pure hydrogen, but large addition causes pore aggregation, rapid grain growth and detrimental effects on the rupture strength and the magnetic properties.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 25 (4), 273-276, 1961

    公益社団法人 日本金属学会

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