溶融錫の過冷におよぼす微量添加元素の影響

書誌事項

タイトル別名
  • The Effect of Small Additives on the Undercooling of Pure Tin
  • ヨウユウ スズ ノ カレイ 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

To find the effect of small additives on the undercooling of pure Sn, and about 15 grams of Sn-0.1% Cd, Sn-0.1% Ag, Sn-0.1% Zn, Sn-0.1% Pb, Sn-0.1% Sb, Sn-0.1% Bi and Sn-0.1% Al were held in pyrex glass containers after removing the oxide film from their molten surface by means of filtration.<BR>The degree of undercooling of each alloy was repeatedly measured first with increasing degree of overheating up to 800°C above their melting points, and then with decreasing degree of overheating.<BR>Three types of additives were found; (1) Al, Sb and Zn apparently decreased the degree of undercooling of pure Sn. (2) Ag and Pb did not show any effect on the degree of undercooling of pure Sn. Bi first showed a tendency similar to that of Ag and Pb but it increased the degree of undercooling of pure Sn when the evaporation of Bi occurred at 800°C above the melting point. (3) Cd increased the degree of undercooling of Sn.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 37 (7), 777-780, 1973

    公益社団法人 日本金属学会

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