CoO・Al_2O_3スピネルへのAl_2O_3の固溶に関する研究

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概要

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• The solid solution was formed between CoO⋅Al2O3 and Al2O3 above 1200°C. The solid solubility of Al2O3 in the spinel lattice was measured by the change of the lattice constant of the spinel.The limits of solid solution were determined from the lattice constants of CoO⋅nAl2O3 of which the compositions were known.Measured lattice constants and caluculated n-values of CoO⋅nAl2O3 were 8.059 Å to 1.41, 8.025 Å to 1.88, 7.990 Å to 2.61 and 7.972 Å to 3.12, and the temperature were 1600°C, 1700°C, 1800°C and 1850°C respectively.Based on this result, the subsolidus phase relation of the system CoO⋅Al2O3-Al2O3 was drawn as shown in Fig. 4.

• 社団法人日本セラミックス協会の論文
• 1976-11-01

著者

• 毛利 尚彦

  科学技術庁無機材質研究所

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• CoO・Al_2O_3スピネルの合成に関する研究
• CoO・Al_2O_3スピネルへのAl_2O_3の固溶に関する研究

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