| SiCp/AZ91镁基复合材料的搅拌混合过程分析 |
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| 引用本文： | 汤孟欧,徐骏,张志峰,樊建锋,石力开. SiCp/AZ91镁基复合材料的搅拌混合过程分析[J]. 热加工工艺, 2007, 36(1): 20-22 |
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| 作者姓名： | 汤孟欧 徐骏 张志峰 樊建锋 石力开 |
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| 作者单位： | 北京有色金属研究总院国家有色金属复合材料工程技术研究中心,北京,100088 |
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| 基金项目： | 国家高技术研究发展计划(863计划) |
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| 摘 要： | 镁基复合材料具有高的比强度、比刚度,较好的耐磨性、耐高温及减震性能,在航空、航天特别是汽车工业中具有潜在的应用前景。在制备颗粒增强镁基复合材料的各种方法中,搅拌熔铸工艺设备简单,成本低,最有希望实现大规模工业生产。在实验基础上建立了搅拌混合过程的动力学和热力学机制,制备了一种颗粒分布均匀的SiCp/AZ91镁基复合材料。
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| 关 键 词： | 颗粒增强 镁基复合材料 搅拌混合 热力学与动力学 |
| 文章编号： | 1001-3814(2007)01-0020-03 |
| 修稿时间： | 2006-08-30 |
Stirring and Mixing Process of SiCp/AZ91 Magnesium Matrix Composites |
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| TANG Men-gou,XU Jun,ZHANG Zhi-feng,FAN Jian-feng,SHI Li-kai. Stirring and Mixing Process of SiCp/AZ91 Magnesium Matrix Composites[J]. Hot Working Technology, 2007, 36(1): 20-22 |
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| Authors: | TANG Men-gou XU Jun ZHANG Zhi-feng FAN Jian-feng SHI Li-kai |
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| Affiliation: | National Engineering Research Center for Nonferrous Metal Composites, Beijing General Research Institute for Non-ferrous Metals, Beijing 100088, China |
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| Abstract: | Magnesium matrix composites have great potential to be widely used in high-performance aerospace and automobile industries because of their low density, high specific strength and stiffness, high wear and temperature resistance and shock absorbing properties. The strring-cast process is the only one that is suitable for large scale industrial production among all processes of fabricating particulate reinforced magnesium matrix composites by reason of its pithiness and cheapness. The thermodynamics and dynamics mechanism of stirring process was introduced on the basis of some experiments. A composite with homogeneous distribution of 10um SiCp in the AZ91 matrix was gotten. |
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| Keywords: | particulate reinforced magnesium matrix composites stirring and mixing thermodynamics and dynamics |
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