Preparation and Sinterability of Forsterite Powders Derived from Heterogeneous Alkoxide Solution Containing Fine MgO Powders
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概要
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Forsterite (Mg<SUB>2</SUB>SiO<SUB>4</SUB>) precursors were synthesized from heterogeneous alkoxide solution including very fine MgO powders and homogeneous alkoxide solution with Mg(NO<SUB>3</SUB>)<SUB>2</SUB>.6H<SUB>2</SUB>O. The precursors from M9O were crystallized to forsterite with drastically exothermic reaction at about 840°C. The precursors from Mg(NO<SUB>3</SUB>)<SUB>2</SUB>⋅6H<SUB>2</SUB>O consisted of Mg(NO<SUB>3</SUB>)<SUB>2</SUB>⋅6H<SUB>2</SUB>O and a little amorphous SiO<SUB>2</SUB>. The precursors began to crystallized to forsterite at a lower calcining temperature than those from MgO. However, MgO and enstatitc (MgSiO<SUB>3</SUB>) as second phase existed in forsterite powders even at a calcining temperature more than 10O00°C. The forsteritc powders obtained heterogeneous alkoxide solution with MgO showed excellent sinterahility.
- 社団法人 粉体粉末冶金協会の論文
著者
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Shiono Takeshi
Department Of Applied Chemistry Graduate School Of Engineering Hiroshima University
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Hayashi Kunio
Department of Cardiovascular Medicine, School of Medicine, Hokkaido University
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Okamoto Yasunori
Department Of Physics Kyushu University
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MIYAMOTO Kazuyo
Department of Chemistry and Materials Technology, Kyoto Institute of Technology
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Sugishima Yuka
Department of Chemistry and Materials Technology, Kyoto Institute of Technology
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Nishikawa Tomozo
Department of Chemistry and Materials Technology, Kyoto Institute of Technology
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Hayashi Kunio
Department Of Cardiovascular Medicine School Of Medicine Hokkaido University
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Okamoto Yasunori
Department Of Chemistry And Materials Technology Kyoto Institute Of Technology
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Miyamoto Kazuyo
Department Of Chemistry And Materials Technology Kyoto Institute Of Technology
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Nishikawa Tomozo
Department Of Chemistry And Materials Technology Kyoto Institute Of Technology
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Okamoto Yasunori
Department of Chemistry and Materials Technology, Kyoto Institute of Technology
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Hayashi Kunio
Department of Chemistry and Materials Technology, Kyoto Institute of Technology
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