测定了1300,1400,1500℃温度下,在铁液中Sb对碳的溶解度的影响,碳的溶解度随Sb量的增加而减小,推算出碳饱和铁液中Sb与C的相互作用系数与温度的关系。 ＊e_C~(Sb)=11.309/T+0.0025 ＊e_(Sb)~C=128.023/T-0.0219 Fe基稀溶液中Sb与C的相互作用系数与温度的关系: e_C~(Sb)=14.204/T+0.025;e_(Sb)~C=120.541/T+0.227 ε_C~(Sb)=ε_(Sb)~C=6026.75/T+11.958 估算出1600℃时＊e_C~(Sb)=0.0085,e_C~(Sb)=0.033,e_(Sb)~C=0.295,ε_C~(Sb)=ε_(Sb)~C=15.36。结果表明,相互作用系数随温度的变化不明显。
The influence of Sb on the C solubility in liquid Fe was determined under 1300,1400 and 1500℃. The C solubility decreases with the increase of Sb content. The temperaturedependences of the first order interaction coefficients in C-saturated liquid Fe are:*e_c~(sb)=11. 309/T+0.0025*e_(sb)~c=128.023/T-0.0219The temperature dependences of interaction coefficients between Sb and C in dilute liquid Fe are:e_c~(sb)=14.204/T+0.025e_(sb)~c=120.541/T+0.227ε_c~(sb)=ε_(sb)~c=6026. 75/T+11.958The interaction coefficients at 1600℃ are *e_(c)~(sb)=0.0085, e_(c)~(sb)=0.033, e_(sb)~c=0.295, ε_c~(sb)=ε_(sb)~c=15.36.The first order interaction coefficients vary slightly with temperature.
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