| Al2O3f/Al合金复合材料凝固偏析研究 |
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| 引用本文： | 刘政,刘小梅,朱应禄,陈慈诰.Al2O3f/Al合金复合材料凝固偏析研究[J].南方冶金学院学报,2000,21(3). |
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| 作者姓名： | 刘政 刘小梅 朱应禄 陈慈诰 |
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| 作者单位： | 南方冶金学院教务处!江西赣州341000(刘政)，南方冶金学院机械系(刘小梅)，南方冶金学院材料工程系(朱应禄，陈慈诰) |
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| 摘 要： | 利用挤压铸造制备了Al2 O3f/Al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： | 复合材料 凝固偏析 界面 选择结晶 |
Research on Solidifying Segregation in Al2O3fAl Alloy Composites |
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| LIU ZHeng,LIU Xiaomei,ZHU Yinglu,CHen Cigao.Research on Solidifying Segregation in Al2O3fAl Alloy Composites[J].Journal of Southern Institute of Metallurgy,2000,21(3). |
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| Authors: | LIU ZHeng LIU Xiaomei ZHU Yinglu CHen Cigao |
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| Abstract: | Al 2O 3 f /Al alloy composites are manufactured by squeeze casting.Solidifying segregation 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.Most of the solidifying segregation is finally formed at interface because of the selecting crystallization.There may be the dual effect of the segregation on structure and property of the composites. |
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| Keywords: | composite ?solidifying segregation ?interface ?selecting crystallization |
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