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| Mo,Mo+ZrO_2金属陶瓷 同样地根据下式:[Nb]+2[O]=NbO_2(s)由测得的α_O可计算α_(Nb)。实验证明,当[Nb]>1％时,[Mn]还原Nb_2O_5的反应即可基本上被抑制。对渣层进行X射线结构分析证实Nb_2O_5已基本上在平衡条件下变成NbO_2。根据前文的Fe-Nb二元系的资料,利用同一浓度法及同一活度法计算出f_(Nb)~(Nb)。作两个温度的lgf_(Nb)~(Mn)对[％Mn]的直线图,两种方法得出基本上一致的结果:1853K,e_(Bb)~(Mn)=0.18;1873 |
| 0412-1961 |
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Cite this article:
0412-1961. Mo,Mo+ZrO_2金属陶瓷 同样地根据下式:[Nb]+2[O]=NbO_2(s)由测得的α_O可计算α_(Nb)。实验证明,当[Nb]>1％时,[Mn]还原Nb_2O_5的反应即可基本上被抑制。对渣层进行X射线结构分析证实Nb_2O_5已基本上在平衡条件下变成NbO_2。根据前文的Fe-Nb二元系的资料,利用同一浓度法及同一活度法计算出f_(Nb)~(Nb)。作两个温度的lgf_(Nb)~(Mn)对[％Mn]的直线图,两种方法得出基本上一致的结果:1853K,e_(Bb)~(Mn)=0.18;1873. Acta Metall Sin, 1984, 20(5): 348-356.
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Abstract EFFECT OF Mn UPON THE ACTIVITY COEFFICIENT OF Nb IN IRON MELT CONTAINING Nb AND Mn
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Received: 18 May 1984
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1 魏寿昆;张圣弼;佟亭;谭赞麟,稀有金属,(CSM),2(1983) ,№1,10．
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