| Preparation of Al-Al3Ti in situ composites by direct reaction method |
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| 引用本文： | YU Huashun CHEN Hongmei SUN Liming MIN Guanghui. Preparation of Al-Al3Ti in situ composites by direct reaction method[J]. 稀有金属(英文版), 2006, 25(1): 32-36. DOI: 10.1016/S1001-0521(06)60010-7 |
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| 作者姓名： | YU Huashun CHEN Hongmei SUN Liming MIN Guanghui |
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| 作者单位： | The Key Laboratory of Liquid Structure and Heredity of Materials, Ministry of Education, Shandong University, Jinan 250061, China |
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| 摘 要： | Al-Al3Ti composites were prepared by a direct reaction method, in which Al3Ti was formed by the reaction of Ti and Al in aluminum alloy melt. The morphology of Al3Ti changes apparently from the fine particle, needle-like to large block with the increase of Al3Ti content. The addition of magnesium can markedly change the morphology of Al3Ti and reduce their size. Short rod-like Al3Ti was formed and homogeneous distribution was obtained with the addition of 3 wt.% Mg. The effect of Al3Ti and Mg on the microstructure of Al-Al3Ti composites and the mechanism were also discussed.
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| 关 键 词： | Al-Al3Ti 原位合成 直接反应 显微结构 铝合金 |
| 收稿时间： | 2005-07-01 |
Preparation of Al-Al3Ti in situ composites by direct reaction method |
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| YU Huashun,CHEN Hongmei,SUN Liming,MIN Guanghui. Preparation of Al-Al3Ti in situ composites by direct reaction method[J]. Rare Metals, 2006, 25(1): 32-36. DOI: 10.1016/S1001-0521(06)60010-7 |
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| Authors: | YU Huashun CHEN Hongmei SUN Liming MIN Guanghui |
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| Affiliation: | 1. Novosibirsk State Technical University, K. Marks 20, 630092 Novosibirsk, Russia;2. Lavrentyev Institute of Hydrodynamics SB RAS, 15 Lavrentyev pr., 630090 Novosibirsk, Russia;3. Federal University of São Carlos, Via Washington Luiz, km 235, 13565-905 São Carlos, SP, Brazil;4. LEPMI and SIMAP Laboratories, CNRS UMR 5266, Grenoble University e Institut Polytechnique, BP. 75, St-Martin d''Heres 38402, France |
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| Abstract: | Al-Al3Ti composites were prepared by a direct reaction method, in which Al3Ti was formed by the reaction of Ti and Al in aluminum alloy melt. The morphology of Al3Ti changes apparently from the fine particle, needle-like to large block with the increase of Al3Ti content. The addition of magnesium can markedly change the morphology of Al3Ti and reduce their size. Short rod-like Al3Ti was formed and homogeneous distribution was obtained with the addition of 3 wt.% Mg. The effect of Al3Ti and Mg on the microstructure of Al-Al3Ti composites and the mechanism were also discussed. |
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| Keywords: | Al3Ti in situ composites direct reaction method microstructure |
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