ACTIVITIES OF COMPONENTS IN MgO-B_2O_3 MELT

Acta Metall Sin

1989, Vol. 25

Issue (4): 100-103 DOI:

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ACTIVITIES OF COMPONENTS IN MgO-B_2O_3 MELT

ZHANG Chengtao;JI Chunlin Northeast University of Technology; Shenyang

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ZHANG Chengtao;JI Chunlin Northeast University of Technology; Shenyang. ACTIVITIES OF COMPONENTS IN MgO-B_2O_3 MELT. Acta Metall Sin, 1989, 25(4): 100-103.

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Abstract The activity of MgO in MgO-B_2O_3 melt was experimentally determinedat 1500 and 1550℃ by means of slag-liquid Sn equilibrium. The activity of B_2O_3was calculated by integrating Gibbs-Duhem equation. The standard Gibbs energies offormation of binary compounds 2MgO·B_2O_3 and 3MgO·B_2O_3 were estimated withthe activity data of components in B_2O_3-MgO melt.

Key words: MgO-B_2O_3 slag activity

Received: 18 April 1989

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https://www.ams.org.cn/EN/ OR https://www.ams.org.cn/EN/Y1989/V25/I4/100

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