| Fabrication and properties of Al matrix composites strengthened by in situ alumina particulates |
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| 引用本文： | Gaofeng Fu Lan Jiang Ji Liu Yue Wang. Fabrication and properties of Al matrix composites strengthened by in situ alumina particulates[J]. 北京科技大学学报(英文版), 2006, 13(3): 263-266. DOI: 10.1016/S1005-8850(06)60055-8 |
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| 作者姓名： | Gaofeng Fu Lan Jiang Ji Liu Yue Wang |
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| 作者单位： | School of Materials and Metallurgy, Northeastern University, Shenyang 110004, China |
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| 基金项目： | This work was financially supported by the Key Project of Chinese Ministry of Education ( No.105055). |
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| 摘 要： | New aluminum matrix composites strengthened by Al2O3 particulates through stirring cast by adding NH4Al（SO4）2 to the molten aluminum have been fabricated. TEM observation shows that in-situ Al2O3 particulates are generally spherical and they are uniformly distributed in the Al matrix. Dry sliding wear test results show that the volume loss of the unreinforced Al matrix is about three times that of the Al2O3 reinforced metal matrix composite （MMC） and the volume loss of the MMC fabricated by adding Al2O3 is larger than that of the MMC by adding NH4Al（SO4）2. Lubricating sliding wear test results show that the volume loss of the MMCs increases more slowly than that of the matrix with the increasing of the load.
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| 关 键 词： | 铝基复合材料 氧化铝 显微结构 磨损 机械性能 |
| 收稿时间： | 2005-11-11 |
Fabrication and properties of Al matrix composites strengthened by in situ alumina particulates |
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| Gaofeng Fu,Lan Jiang,Ji Liu,Yue Wang. Fabrication and properties of Al matrix composites strengthened by in situ alumina particulates[J]. Journal of University of Science and Technology Beijing, 2006, 13(3): 263-266. DOI: 10.1016/S1005-8850(06)60055-8 |
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| Authors: | Gaofeng Fu Lan Jiang Ji Liu Yue Wang |
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| Affiliation: | 1. DISAT Department, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy;2. CNR-IMAMOTER, Strada delle Cacce 73, 10135 Torino, Italy;1. Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi 980-8577, Japan;2. Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Katahira 2-1-1, Aoba-ku, Sendai 980-8577, Japan;3. Tohoku University School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi 980-8575, Japan |
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| Abstract: | New aluminum matrix composites strengthened by Al2O3 particulates through stirring cast by adding NH4Al(SO4)2 to the molten aluminum have been fabricated. TEM observation shows that in-situ Al2O3 particulates are generally spherical and they are uniformly distributed in the Al matrix. Dry sliding wear test results show that the volume loss of the unreinforced Al matrix is about three times that of the Al2O3 reinforced metal matrix composite (MMC) and the volume loss of the MMC fabricated by adding Al2O3 is larger than that of the MMC by adding NH4Al(SO4)2. Lubricating sliding wear test results show that the volume loss of the MMCs increases more slowly than that of the matrix with the increasing of the load. |
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| Keywords: | aluminum matrix composite alumina microstructure wear |
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