| 液态搅拌铸造SiCP及SiO2(P) 增强Al-4wt%Mg基复合材料的界面反应研究 |
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| 引用本文： | 梅志,崔昆,顾明元,吴人洁.液态搅拌铸造SiCP及SiO2(P) 增强Al-4wt%Mg基复合材料的界面反应研究[J].复合材料学报,1998,15(4):43-47. |
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| 作者姓名： | 梅志 崔昆 顾明元 吴人洁 |
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| 作者单位： | 1.华中理工大学材料系, 武汉 430074; |
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| 摘 要： | 利用分析透射电镜研究了液态搅拌铸造原始态与氧化态SiCP 以及SiO2(P) 增强Al-4wt%Mg 基复合材料的界面反应情况。结果在原始态和氧化态碳化硅颗粒表面观察到细小的MgO , 石英粒子在高温下与基体中的镁反应生成MgAl2O4, 并运用扩散理论分别解释了其反应机制。
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| 关 键 词： | 液态搅拌铸造 SiC SiO2 界面反应 |
| 收稿时间： | 1997-06-23 |
| 修稿时间： | 1997-08-20 |
STUDY ON THE INTERFACIAL REACTIONS OF LIQUID STIRRED CAST SiCP AND SiO2(P) REINFORCED Al-4wt%Mg COMPOSITES |
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| Mei Zhi,Cui Kun,Gu Ming-yuan,Wu Ren-jie.STUDY ON THE INTERFACIAL REACTIONS OF LIQUID STIRRED CAST SiCP AND SiO2(P) REINFORCED Al-4wt%Mg COMPOSITES[J].Acta Materiae Compositae Sinica,1998,15(4):43-47. |
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| Authors: | Mei Zhi Cui Kun Gu Ming-yuan Wu Ren-jie |
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| Affiliation: | 1.Department of Materials, Huazhong University of Science and Technology, Wuhan 430074;2.Shanghai Jiao Tong University, Shanghai 200030 |
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| Abstract: | The interfacial reaction of liquid stirred cast SiC P and SiO 2 (P) reinforced Al 4wt%Mg matrix composites was studied by means of analytical transmission electronic microscope. The results show that the fine MgO particles are formed on the surface of as received SiC particle and oxidized one. The quartz particles reacted with magnesium in matrix to form MgAl 2O 4. And the reaction mechanisms are explained respectively with the diffusion theory. |
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| Keywords: | SiC SiO2 |
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