| 固溶处理对原位合成Mg_2Si/AZ91D复合材料组织及性能的影响 |
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| 引用本文： | 彭蕾,陈刚,赵玉涛,黄康,邵阳.固溶处理对原位合成Mg_2Si/AZ91D复合材料组织及性能的影响[J].中国有色金属学会会刊,2011,21(11):2365-2371. |
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| 作者姓名： | 彭蕾 陈刚 赵玉涛 黄康 邵阳 |
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| 作者单位： | 江苏大学材料科学与工程学院; |
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| 基金项目： | Project (BG2007030) supported by High-tech Research Program of Jiangsu Province, China; Project (07KJA43008) supported by the Natural Science Foundation of Jiangsu Province, China; Project (20070299004) supported by the Specialized Research Fund for the Doctoral Program of Higher Education of China |
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| 摘 要： | 研究固溶处理对Mg-SiO2体系原位合成制备的Mg2Si/AZ91D复合材料的组织和性能的影响。结果表明：AZ91D镁合金在加入SiO2（其中Si占合金质量的1.5%）后,出现了粗大的汉字状Mg2Si相,固溶处理改变了Mg2Si相的形貌与分布,并使β-Mg17Al12相溶入到基体中;随着固溶时间的增加,汉字状的Mg2Si相熔断、球化,在420℃保温16h时Mg2Si相最为细小、弥散;固溶处理后复合材料的抗拉强度增加了14.9%,伸长率增加了38.9%。固溶处理时在Mg2Si/Mg界面间的界面张力作用下,Mg2Si相不断熔断、聚集、扩散,最终获得球化的Mg2Si相。
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| 关 键 词： | Mg2Si/AZ91D复合材料 固溶处理 Mg2Si颗粒球化 界面张力 |
| 收稿时间： | 26 October 2010 |
Influence of solution treatment on microstructure and properties of in-situ Mg_2Si/AZ91D composites |
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| PENG Lei,CHEN Gang,ZHAO Yu-tao,HUANG Kang,SHAO Yang School of Materials Science , Engineering,Jiangsu University,Zhenjiang ,China.Influence of solution treatment on microstructure and properties of in-situ Mg_2Si/AZ91D composites[J].Transactions of Nonferrous Metals Society of China,2011,21(11):2365-2371. |
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| Authors: | PENG Lei CHEN Gang ZHAO Yu-tao HUANG Kang SHAO Yang School of Materials Science Engineering Jiangsu University Zhenjiang China |
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| Affiliation: | PENG Lei,CHEN Gang,ZHAO Yu-tao,HUANG Kang,SHAO Yang School of Materials Science and Engineering,Jiangsu University,Zhenjiang 212013,China |
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| Abstract: | |
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| Keywords: | Mg2Si/AZ91D composites solution treatment spheroidized Mg2Si particle interface tension |
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