方向性珪素鋼帯の2次再結晶に及ぼす微量添加元素の影響

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タイトル別名
  • Effect of Minor Elements on Secondary Recrystallization in Singly Oriented Si-Steel
  • ホウコウセイ ケイソ コウタイ ノ 2ジ サイケッショウ 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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Effects of minor elements on secondary recrystallization in cold rolled 3.25 wt%Si-steel were studied.<BR>It was found that the presence of impurity elements such as Pb, Sb, Nb, Ag, Te, Se, or S is necessary in order to develop the strong (110)[001] texture by secondary recrystallization. To obtain complete secondary recrytallization, the primary matrix grains must be stabilized so that they remain small as compared with the secondaries which eventually consume them.<BR>The activation energy for nucleation of secondary recrystallization was obtained to be 57∼135 kcal/mol.<BR>The free energy of activation for secondary grain boundary migration at 900°C was calculated to be 30 kcal/mol. This value is much smaller than that for primary grain boundary migration. This result indicates that primary grains in orientations deviating markedly from the primary recrystallization texture grow into secondary grains having specific preferred orientations.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 27 (4), 191-195, 1963

    公益社団法人 日本金属学会

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