ACTIVITIES OF COMPONENTS IN MgO-B_2O_3 MELT

ACTIVITIES OF COMPONENTS IN MgO-B_2O_3 MELT

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摘要 The activity of MgO in MgO-B2O_3 melt was experimentally determined at 1773 and 1823 K by means of slag-liquid Sn equilibrium.The activity of B_2O_3 was calculated by integrating Gibbs-Duhem equation.The standard Gibbs energies of formation of binary compounds 2MgOB_2O_3 and 3MgO·B_2O_3 were estimated with the activity data of components in B_2O_3-MgO melt. The activity of MgO in MgO-B2O_3 melt was experimentally determined at 1773 and 1823 K by means of slag-liquid Sn equilibrium.The activity of B_2O_3 was calculated by integrating Gibbs-Duhem equation.The standard Gibbs energies of formation of binary compounds 2MgOB_2O_3 and 3MgO·B_2O_3 were estimated with the activity data of components in B_2O_3-MgO melt.

作者 ZHANG Chengtao JI Chunlin Northeast University of Technology,Shenyang,China ZHANG Chengtao,Division of Physical Chemistry of Metallurgy,Northeast University of Technology,Shenyang,China

出处《Acta Metallurgica Sinica(English Letters)》 SCIE EI CAS CSCD 1990年第7期20-22,共3页 金属学报（英文版）

关键词 MgO-B_2O_3 SLAG ACTIVITY MgO-B_2O_3 slag activity

分类号 TG-55 [金属学及工艺]

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Acta Metallurgica Sinica(English Letters)

1990年第7期

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ACTIVITIES OF COMPONENTS IN MgO-B_2O_3 MELT

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