Ni-CrおよびCo-Cr系熔融合金中の酸素の活量係数

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タイトル別名
  • Activity of Oxygen in Liquid Ni-Cr and Co-Cr Alloys
  • Ni-Cr オヨビ Co-Crケイヨウユウゴウキン チュウ ノ サンソ ノ カツリョウ ケイスウ

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抄録

The activities of oxygen dissolved in liquid nickel-chromium and cobalt-chromium alloys were determined by measuring the equilibrium of the reaction between dissolved oxygen in liquid alloys and H2-H2O gas mixture. The experiments were carried out at 1600°C up to 30% chromium. The effects of chromium on the activity coefficient of oxygen were represented by the following equations:<BR>(This article is not displayable. Please see full text pdf.) <BR>In the range up to 5%Cr, the interaction parameters were approximately estimated as follows;<BR>(This article is not displayable. Please see full text pdf.) <BR>The gas compositions of H2-H2O mixture in equilibrium with liquid nickel-chromium alloy and solid oxide phase were measured at 1600°C up to 35% chromium. Using these data,the solubility of oxygen in liquid nickel-chromium alloy was calculated.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 26 (4), 240-244, 1962

    公益社団法人 日本金属学会

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