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用气液平衡法,在密封Mo反应室中研究了1873K下Fe液中Bi蒸气溶解平衡及第三组元Ni,Mn对其的影响,测定了1873K下Bi在Fe液中的溶解量(wt—%)为0.16。Ni,Mn增加Bi的溶解量,其活度相互作用系数为e_(Bi)~(Ni)=-0.20,e_(Bi)~(Mn)=-0.19。

Studies were made of the dissolution equilibrium of Bi vapour in liquid Fe at1873 K, using vapour-liquid equilibrium method in a sealed Mo reaction chamber, as well asthe influence of a third element Ni or Mn on Bi solubility. The Bi solubility in liquid Fe at1873 K was determined to be 0.16 wt-%, and enhanced by Ni or Mn. The activity interactioncoefficient obtained is: e_(Bi)~(Ni)=-0.20, e_(Bi)~(Mn)=-0. 19.

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