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在 973- 1 473K温度范围内 ,测定了铌与Ca CaO和与Mg MgO共存时铌金属中氧的平衡浓度 .得出并讨论了铌中的氧溶解反应的Gibbs自由能表达式和氧分压 温度 成分 (p t x)关系表达式 .
In the temperature range of 973-1 473K, the equilibrium concentration of oxygen in niobium metal when niobium is coexisted with Ca CaO and Mg MgO is determined.The Gibbs free energy expression of oxygen dissolution reaction in niobium and oxygen partial pressure Temperature component (ptx) relational expression.