| Al2O3f/Al-4%Cu合金复合材料凝固偏析研究 |
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| 引用本文： | 刘政,靖青秀,魏衍广,刘小梅,朱应禄. Al2O3f/Al-4%Cu合金复合材料凝固偏析研究[J]. 南方冶金学院学报, 2003, 24(1): 18-23 |
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| 作者姓名： | 刘政 靖青秀 魏衍广 刘小梅 朱应禄 |
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| 作者单位： | [1]南方冶金学院教务处，江西赣州341000 [2]南方冶金学院材料与化学工程学院，江西赣州341000 |
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| 基金项目： | Theproject(0150032)wasfinanciallysupportedbytheNaturalScienceFoundationofJiangxiProvince，China |
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| 摘 要： | 利用挤压铸造制造了Al2O3f/Al-4%Cu合金复合材料，研究了复合材料的凝固偏析，研究结果表明，在复合材料的凝固末期，由于选择结晶，剩余液相中的溶质变化导致基体合金类型的改变，最终凝固偏析主要产生在纤维／基体界面上，偏析对材料的组织结构和性能的影响可能是双重的。
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| 关 键 词： | 铝基复合材料 凝固偏析 选择结晶 |
Research on Segregation at Interface in Al2O3f/Al-4% Cu Alloy Composites |
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| LIU Zheng,JING Qing-xiu,WEI Yan-guang,LIU Xiao-mei,Zhu Ying-lu. Research on Segregation at Interface in Al2O3f/Al-4% Cu Alloy Composites[J]. Journal of Southern Institute of Metallurgy, 2003, 24(1): 18-23 |
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| Authors: | LIU Zheng JING Qing-xiu WEI Yan-guang LIU Xiao-mei Zhu Ying-lu |
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| Abstract: | Al 2 O 3f /Al-4%Cu alloy composites are manufactured by squeeze casting.Segregation at interface in the composites is researched.The results indicate that at the end of solidification of the composites,the change of the solute in the surplus liquid phase results in the type of matrix alloy being changed because of the select-ing crystallization,and the segregation at interface is finally formed.There may be the dual effect of the segregation on structures and property of the composites |
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| Keywords: | composite segregation at interface selecting crystallization |
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