| 快速凝固Mg-6wt．％Zn合金的制备及微观组织研究 |
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| 引用本文： | 周涛,夏华,詹捷,彭成允,陈振华.快速凝固Mg-6wt．％Zn合金的制备及微观组织研究[J].重庆工学院学报,2010(3):91-95. |
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| 作者姓名： | 周涛 夏华 詹捷 彭成允 陈振华 |
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| 作者单位： | 重庆理工大学材料科学与工程学院;湖南大学材料科学与工程学院; |
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| 基金项目： | 重庆理工大学基金项目(2009ZD26) |
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| 摘 要： | 采用雾化-双辊急冷法成功制备了快速凝固Mg-6Zn合金薄片,并利用扫描电子显微镜、X射线衍射仪、差示扫描分析和透射电子显微镜对该合金的微观组织和物相种类进行了分析。结果表明,快速凝固Mg-6Zn合金具有细小的等轴晶组织,其相组成为α-Mg和Mg51Zn20,以及少量的MgZn2和Mg2Zn3;与铸态合金相比,合金的微观组织显著细化,同时合金中存在一定数量的位错。
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| 关 键 词： | 快速凝固 Mg-Zn合金 雾化-双辊急冷法 微观组织 |
Investigation on Microstructures of Rapidly Solidified Mg-6wt.%Zn Alloy Prepared by Atomization-twin Rolls Quenching Technology |
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| ZHOU Tao,XIA Hua,ZHAN Jie,PENG Cheng-yong,CHEN Zhen-hua.Investigation on Microstructures of Rapidly Solidified Mg-6wt.%Zn Alloy Prepared by Atomization-twin Rolls Quenching Technology[J].Journal of Chongqing Institute of Technology,2010(3):91-95. |
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| Authors: | ZHOU Tao XIA Hua ZHAN Jie PENG Cheng-yong CHEN Zhen-hua |
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| Affiliation: | 1.School of Material Science and Engineering;Chongqing University of Technology;Chongqing 400050;China;2.College of Material Science and Engineering;Hunan University;Changsha 410082;China |
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| Abstract: | The atomization-twin rolls quenching technology is utilized to successfully prepare the rapidly solidified Mg-6wt.%Zn alloy in the form of flakes,and the microstructures and phase constitutions of the alloy are investigated by scanning electron microscope,X-ray diffraction,differential scanning calorimetry and transmission electron microscopy.The results suggest that the rapidly solidified Mg-6Zn alloy is characteristic of fine equiaxed grains,the phase constituent of the alloy is composed of supersaturate ... |
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| Keywords: | rapidly solidification Mg-Zn alloy atomization-twin rolls quenching technology microstructure |
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