| Al2O3超细颗粒制备新方法--活性铝粉的水解反应 |
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| 引用本文： | 郑福前,刘建良,谢明,邓忠民,吕贤勇,施安,管伟明.Al2O3超细颗粒制备新方法--活性铝粉的水解反应[J].粉末冶金工业,2000,10(1):36-39. |
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| 作者姓名： | 郑福前 刘建良 谢明 邓忠民 吕贤勇 施安 管伟明 |
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| 作者单位： | 昆明贵金属研究所,昆明,650221 |
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| 摘 要： | 快速凝固制备的微细铝粉具有很高的活性,遇水后发生激烈反应,生成铝的水合物.这些反应产物经不同温度热处理,可得到一系列活性的及稳定的高纯超细Al2O3陶瓷粉末.这是制备高纯超细Al2O3粉末的一种新方法.本文概述了活性铝粉水解反应过程及生成物结构特征.
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| 关 键 词： | 活性铝粉 水解反应 超细颗粒 |
| 修稿时间： | 1999-01-12 |
A NEW PREPARATION METHOD OF ULTRA-FINE Al 2O3 PARTICLES-HYDROLYSIS REACTION OF ACTIVE ALUMINUM POWDERS |
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| Zheng Fu-Qian,Liu Jian-Liang,Xie Ming,Deng Zhong-Min,Lu Xian-Yong,Shi An,Guan Wei-Ming.A NEW PREPARATION METHOD OF ULTRA-FINE Al 2O3 PARTICLES-HYDROLYSIS REACTION OF ACTIVE ALUMINUM POWDERS[J].Powder Metallurgy Industry,2000,10(1):36-39. |
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| Authors: | Zheng Fu-Qian Liu Jian-Liang Xie Ming Deng Zhong-Min Lu Xian-Yong Shi An Guan Wei-Ming |
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| Abstract: | Ultra-fine aluminum powders prepared by rapidly solidified technique have very high activity.When these powders were put into water,the sharp hydrolysis reaction occurred,and some aluminum hydroxides were obtained.These resultants,when heated to certain temperature,became a series of metastable or stable ultra-fine Al 2O 3ceramic powders with high purity. This is a new preparation method of high purity and ultra fine Al 2O 3 powders. In this paper,hydrolysis reaction process of active aluminum powders and structural characteristics of resultants were investigated. |
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| Keywords: | Active aluminum powders Hydrolysis reaction Ultra-fine particles |
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