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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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Fe-B-Si三元系熔体的热力学Ⅰ.1450℃时Si的活度及活度交互作用系数
, PP. 155-160
Keywords: Fe-B-Si系,活度,活度系数,活度交互作用系数,Ag浴法
Abstract:
用Ag浴等活度法测定了1450℃下Fe-B-Si三元系熔体的两条等活度线;用Si浓差电池EMF法测定了Ag-Si合金(银浴)的α_(Si).由实验测定结果计算了Si的活度系数及活度交互作用系数,得到lnγ_(Si)=-3.19,ε_(Si)~(Si)=7.0,ρ_(Si)~(Si)=6.5,ε_(Si)~B=16.0,ρ_(Si)~B=-12.0,ρ_(Si)~(Si,B)=40.8
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