方向性珪素鋼帯の1次再結晶粒の成長速度におよぼす微量添加元素の影響

書誌事項

タイトル別名
  • Effect of Minor Elements on Normal Grain Growth Rate in Singly Oriented Si-Steel
  • ホウコウセイ ケイソ コウタイ ノ 1ジ サイケッショウリュウ ノ セイチョウ ソクド ニ オヨボス ビリョウ テンカ ゲンソ ノ エイキョウ

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抄録

The normal grain growth behavior of cold rolled 3.25 wt%Si-steel has been studied.<BR>The rate of boundary migration was found to be retarded by elements having a low solid solubility such as Te, Pb, Nb, Ag, Au, Sb, Se, Ti, S, and Ni.<BR>The free energy of activation for boundary migration (ΔFA) was calculated. Sufficient amount of these elments being added, the value of ΔFA becomes in close agreement with the free energy of activation for volume self-diffusion of alpha-iron. Impurity atoms with a low intragranular solubility will segregate preferentially at grain boundary because they can there reduce the misfit energy, and then the free energy of activation for boundary migration will tend towards a value approaching that characteristic of volume self-diffusion.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 27 (4), 186-191, 1963

    公益社団法人 日本金属学会

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