Thermodynamic assessment of the MgO-Al_2O_3-SiO_3 system

Huahai Mao; Olga Fabrichnaya; Malin Selleby

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Thermodynamic assessment of the MgO-Al_2O_3-SiO_3 system

机译：MgO-Al_2O_3-SiO_3系统的热力学评估

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Thermodynamic properties of the phases in the MgO-Al_2O_3-SiO_2 system were assessed, resulting in a set of self-consistent thermodynamic data. The two ternary compounds, cordierite and sapphirine, were optimized from subsolidus reactions. The liquid phase was described by the ionic two-sublattice model with a new species AlO~(-1), yielding the formula (Al~(+3),Mg~(+2))_p(AlO~(-1)_2,O~(-2),SiO~(-4)_4,SiO~0_2)_Q. Projection of the liquidus surface was calculated. Various isothermal and isoplethal sections were compared with the experimental data.

机译：评估了MgO-Al_2O_3-SiO_2系统中各相的热力学性质，得出了一组自洽的热力学数据。从固相反应中优化了堇青石和蓝宝石这两种三元化合物。用新的AlO〜（-1）离子通过离子二子晶格模型描述液相，得到公式（Al〜（+3），Mg〜（+2））_ p（AlO〜（-1）_2 ，O〜（-2），SiO〜（-4）_4，SiO〜0_2）_Q。计算液相线表面的投影。将各种等温和等渗截面与实验数据进行比较。

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来源
《Journal of Materials Research》 |2005年第4期|p.975-986|共12页
作者
Huahai Mao; Olga Fabrichnaya; Malin Selleby;
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作者单位

Department of Materials Science and Engineering, Royal Institute -of Technology (KTH), 100 44 Stockholm, Sweden;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种 eng
中图分类工程材料学;
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Thermodynamic assessment of the MgO-Al_2O_3-SiO_3 system

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