MgO-BaO-Al_2O_3-SiO_2系平衡図とステアクタイトの劣化現象との関連性について : ステアタイトの劣化現象に関する研究 (第4報)
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In previous paper (Part III) the author gave the results of the investigations on the deterioration phenomenon of steatite bodies making use of the ternary equilibrium diagram, BaSi2O5-Mg2SiO4-SiO2, constructed by himself. And the work contained in this paper refers to the extension to the quaternary system, MgO-BaO-Al2O3-SiO2.Combining the ternary systems, BaO-Al2O3-SiO2 (R. H. Thomas), MgO-Al2O3-SiO2 (G. A. Rankin, H. E. Merwin), and MgO-BaO-SiO2 (author) the author investigated the constitution of the domain of primary crystalls appearing in the cross section at BaO⋅2SiO2-Al2O3⋅2SiO2-MgO⋅2SiO2 of the tetrahedron representing the system MgO-BaO-Al2O3-SiO2, and three other vertical planes chosen appropriately.Based on the phase equilibrium of the system MgO-BaO-Al2O3-SiO2, the author was able to confirm that the domain of the separation of protoenstatite primary crystals, being essential for the production of stable steatite articles, is occupying a wide fan-shaped area sandwiched between those of trydimite and forsterite.Furthermore, the correlation of the composition of steatite bodies with the deterioration phenomenon was investigated in the light of the transition of phase equilibrium making use of the vertical cross sections of the quarternary diagram.
- 社団法人日本セラミックス協会の論文
- 1960-02-01
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関連論文
- MgO-BaO-Al_2O_3-SiO_2系平衡図とステアクタイトの劣化現象との関連性について : ステアタイトの劣化現象に関する研究 (第4報)
- BsSi_2O_5-Mg_2SiO_4-SiO_2系平衡図について : ステアタイトの劣化現象に関する研究 (第3報)
- MgSiO_3の加熱特性について : ステアタイトの劣化現象に関する研究 (第2報)
- 劣化したステアタイトの過熱異状伸縮特性とその化学組成について : ステアタイトの劣化現象に関する研究 (第1報)