| Al—Ti系中间合金的铝热反应 |
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| 引用本文： | 张柏清 李建国. Al—Ti系中间合金的铝热反应[J]. 金属学报, 1999, 35(5): 473-476 |
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| 作者姓名： | 张柏清 李建国 |
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| 作者单位： | 清华大学材料科学与工程系!北京１０００８４ |
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| 摘 要： | 利用Ｘ射线衍射相分析，扫描电镜，能谱分析以及化学分析等方法对铝热反应过程进行了研究。结果表明铝热在初期非常剧烈，后期达到平衡，铝热反应是一个复杂的反应过程，由多个具体反应组成。反应初期，除ＴｉＡｌ３外，生成了亚稳态的ＴｉＡｌ９，后期ＴｉＡｌ９转化为稳定的ＴｉＡｌ３金属间化合物。
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| 关 键 词： | Al－Ti系 中间合金 铝热反应 反应机理 K2TiF6 |
STUDY ON ALUMINOTHERMAL REACTION OF Al-Ti BASED MASTER ALLOY |
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| ZHANG Baiqing, LI Jianguo, MA Hongtao, FANG Hongsheng. STUDY ON ALUMINOTHERMAL REACTION OF Al-Ti BASED MASTER ALLOY[J]. Acta Metallurgica Sinica, 1999, 35(5): 473-476 |
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| Authors: | ZHANG Baiqing LI Jianguo MA Hongtao FANG Hongsheng |
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| Abstract: | An investigation was carried out of the reaction between KZTiF6 and aluminium melt. Itwas found that the reaction was very vigorous at the very beginning and then got to a dynamic equilibrium.There were several concrete reactions during the aluminothermal reaction process. At the beginning stageof the reaction, besides TiAl3, there emerged one type of metastable intermetallic phase TiA19 in aluminiummelt, which resolved lately and turned into a stable phase TiAl3. |
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| Keywords: | :Al-Ti based master alloy aluminothermal reaction reaction mechanism K_2TiF_6 |
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