Mullite precursor part I. Characterization of mullite precursor formed by a reaction of monosilicic acid on aluminum hydroxide

Takushi Yokoyama, Keisuki Nishu, Shunsuke Torii, Yoshio Ikeda, Tokuko Watanabe

研究成果: ジャーナルへの寄稿学術誌査読

14 被引用数 (Scopus)

抄録

By adsorption of monosilicic acid on aluminum hydroxide, an amorphous aluminosilicate (AAS) of Si/Al ratio of 1/3 was formed. When the AAS was heated to 1000°C, mullite (3Al2O3 · 2SiO2) crystallized directly without the formation of a spinel phase. It was clearly evidenced that correct adjustment of three factors, the Si/Al ratio, the proportion of 4- and 6-coordinated aluminums, and the single environment of a SiO4-4 unit (no Si-O-Si bond), is important for the direct mullitization from AAS.

本文言語英語
ページ(範囲)2111-2116
ページ数6
ジャーナルJournal of Materials Research
12
8
DOI
出版ステータス出版済み - 8月 1997

!!!All Science Journal Classification (ASJC) codes

  • 材料科学一般
  • 凝縮系物理学
  • 材料力学
  • 機械工学

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