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金属学报 1988

Fe-C-Pb,Fe-C_(sat)-Pb-Ce溶液中Pb与C,Pb与Ce的相互作用

, PP. 236-241

王正跃,杜挺,王龙妹

Keywords: Fe-C-Pb,Fe-C-Pb-Ce,Pb与C相互作用,Pb与Ce相互作用

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Abstract:

用Mo反应室密封,Pb蒸气-Fe液平衡法研究了1300—1400℃范围内Fe-C-Pb溶液的热力学性质,通过测定C对Pb在Fe液中的溶解度的影响,求得C与Pb的一阶、二阶活度相互作用系数与温度的关系e_(Pb)~C=9205(1/T)-4.578;γ_(Pb)~C=-1047(1/T)+0.512用石墨坩埚石英管真空密封装置,Pb蒸气-Fe液平衡法测得1300℃时Fe-C_(sat)-Pb-Ce溶液中Ce与Pb的活度相互作用系数e_(Pb)~(ce)=-2.11;e_(ce)~(Pb)=-1.43.

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