Fe-Sn および Fe-C-Sn 合金における Sn の固液間平衡分配

概要

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The equilibrium distribution coefficients of Sn between solid and liquid phases in Fe-Sn binary and Fe-C-Sn ternary alloys have been determined experimentally, and the distribution behavior of Sn between solid and liquid phases was discussed thermodynamically. Furthermore, the activity of Sn in coexisting solid and liquid phases has been measured on Fe-C-Sn ternary alloy at the temperature near eutectic. The equilibrium distribution coefficient of Sn between solid and liquid phases in Fe-C-Sn ternary alloy increased remarkably as carbon concentration increased. It was found that carbon concentration might contribute the equilibrium distribution of Sn between solid and liquid phases significantly and Sn had positive interaction for carbon in high carbon concentration range near eutectic.
社団法人日本鉄鋼協会の論文
1991-02-01