| TiB_2粉料的合成与纯化研究 |
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| 引用本文： | 罗学涛,谢小林,邓克明. TiB_2粉料的合成与纯化研究[J]. 南昌航空工业学院学报, 2001, 0(1) |
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| 作者姓名： | 罗学涛 谢小林 邓克明 |
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| 作者单位： | 南昌航空工业学院材料科学与工程系!江西南昌330034 |
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| 摘 要： | 基于SHS还原反应合成TiB2 混合粉料 ,研究了酸洗条件对TiB2 纯度的影响。实验结果表明 ,TiO2 B2 O3 Mg三元系统的化学反应由两部分组成 ,第一部分由金属Mg还原出B和Ti单体 ,第二部分由两种单体化合反应生成TiB2 。TiB2 粉料的纯度主要取决于酸洗条件。提高盐酸浓度、增加酸过量和延长酸洗时间可以提高TiB2 粉料的纯度 ,而升高酸洗温度还可以大大加快酸洗速度
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| 关 键 词： | TiB2粉料 还原反应 纯化过程 |
Study on Synthesis and Purification of Titanium Diboride Powder |
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| Luo Xuetao Xie Xiaolin Deng Keming. Study on Synthesis and Purification of Titanium Diboride Powder[J]. Journal of Nanchang Institute of Aeronautical Technology(Natural Science Edition), 2001, 0(1) |
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| Authors: | Luo Xuetao Xie Xiaolin Deng Keming |
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| Abstract: | Based on SHS reductive reaction,TiB 2 mixed powder was synthesized,and the effects of acid washing conditions on the purity of TiB 2 powder were investigated.The experimental results showed that the chemical reaction of the TiO 2 B 2O 3 Mg system consisted of two parts.In the first step,the elements of B and Ti were reduced by Mg powder,and secondly,the TiB 2 was formed by Chemical combination of the two monomer elements.The purity of TiB 2 powder mainly depends on acid washing conditions.With the concentration of hydrochloric acid and amount of excessive acid increasing and the acid washing time prolonging,the purity of TiB 2 powder increase.Moreover,with the acid washing temperature rising up,the acid washing velocity can be considerably quickened. |
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| Keywords: | Titanium diboride powder Reductive reaction Purification procedure. |
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