| 引用本文: | 马青松,简科,陈朝辉,等.溶胶—凝胶法合成氧化铝—氧化硅纳米粉.[J].国防科技大学学报,2002,24(4):25-28.[点击复制] |
| MA Qingsong,JIAN Ke,CHEN Zhaohui,et al.Synthesis of Alumina-silicon Dioxide Nanopowders via Sol-gel Process[J].Journal of National University of Defense Technology,2002,24(4):25-28[点击复制] |
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| 溶胶—凝胶法合成氧化铝—氧化硅纳米粉 |
| 马青松, 简科, 陈朝辉, 郑文伟 |
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(国防科技大学 航天与材料工程学院，湖南 长沙 410073)
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| 摘要: |
| 以AlCl3?6H2O和(CH2)6N4为原料，用溶胶—凝胶法合成出比表面积为189.6m2/g的γ相氧化铝粉，平均粒径约为9nm。以铝溶胶和硅溶胶为原料，用溶胶—凝胶法合成出反应活性高的Al2O3－SiO2复合粉体。该粉体在1300℃煅烧后转变为莫来石。 |
| 关键词: 氧化铝 莫来石 纳米 溶胶－凝胶 |
| DOI： |
| 投稿日期：2002-03-10 |
| 基金项目:国家部委预研基金资助项目 |
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| Synthesis of Alumina-silicon Dioxide Nanopowders via Sol-gel Process |
| MA Qingsong, JIAN Ke, CHEN Zhaohui, ZHENG Wenwei |
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(College of Aerospace and Materials Engineering, National Univ. of Defense Technology, Changsha 410073, China)
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| Abstract: |
| γ-Al2O3nanopowder whose specific surface area and average particle diameter is 189.6m2/g and about 9nm, respectively, is synthesized via sol-gel process using AlCl3?6H2O and (CH2)6N4
as starting materials. Active Al2O3-SiO2 composite powder is synthesized via diphasic sol-gel process using SiO2and Al2O3 sol. After having been calcined at 1300℃ for an hour, Al2O3-SiO2 composite powders transforms to mullite. |
| Keywords: alumina mullite nanometer sol-gel |
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