Fe-Al-Ni-Co-Cu焼結磁石の性質におよぼす微量燐添加の影響

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タイトル別名
  • Effect of Small Phosphorus Additions on the Properties of Sintered Fe-Al-Ni-Co-Cu System Magnets. (Study on Sintered Fe-Al-Ni System Magnets, 5th Report)
  • Fe-Al-Ni-Co-Cu ショウケツ ジシャク ノ セイシツ ニ オヨボス ビリョウ リン テンカ ノ エイキョウ

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抄録

The effect of small phosphorus additions to sintered permanent-magnet alloys of the MK3 type has been studied, particularly on their densities, magnetic properties, microstructures, and transverse rupture strengths. Additon of phosphorus within a certain quantity markedly improves the qualities of Fe-Al-Ni-Co-Cu alloys prepared by sintering in pure hydrogen. With more than this optimum addition of phosphorus, a phosphorus-containing eutectic appears in the structure of the alloys; this phosphorus eutectic has, however, a detrimental effect on the magnetic properties of the alloys. Within the range of appropriate concentration, phosphorus addition causes grain growth and an increase in density transverse rupture strength, and improvement in magnetic properties.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 23 (10), 576-580, 1959

    公益社団法人 日本金属学会

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