| Effect of electric pulse treatment on solidification structure of an Al-15%Si alloy |
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| 作者姓名： | SHI Xiangdong WANG Jingsongl XUE Qingguo CANG Daqiang WANG Liping and WU Shupiao Metallurgical and Ecological Engineering School University of Science and Technology Beijing Beijing China Sinosteel Sci-Tech Development Company Beijing China Shijiazhuang Iron and Steel Co. Ltd. Shijiazhuang China |
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| 作者单位： | SHI Xiangdong1，2)，WANG Jingsongl)，XUE Qingguo1)，CANG Daqiang1)，WANG Liping3)，and WU Shupiao3)1) Metallurgical and Ecological Engineering School，University of Science and Technology Beijing，Beijing 100083，China2) Sinosteel Sci-Tech Development Company，Beijing 100031，China3) Shijiazhuang Iron and Steel Co. Ltd.，Shijiazhuang 050031，China |
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| 基金项目： | This work is financially supported by the National High Technology Research and Development Program of China (No.2001AA337040). |
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| 摘 要： | 1 IntroductionThe study of electric field (EF) modifying themetal microstructure has made some progress sinceAsoka applied electric current when a Pb-Sn alloysolidified 1-8]. Based on the different applying du-rations of EF to melt, there are two kinds o…
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Effect of electric pulse treatment on solidification structure of an Al-15%Si alloy |
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| SHI Xiangdong,,WANG Jingsongl,XUE Qingguo,CANG Daqiang,WANG Liping,and WU Shupiao Metallurgical and Ecological Engineering School,University of Science and Technology Beijing,Beijing ,China Sinosteel Sci-Tech Development Company,Beijing ,China Shijiazhuang Iron and Steel Co. Ltd.,Shijiazhuang ,China.Effect of electric pulse treatment on solidification structure of an Al-15%Si alloy[J].Rare Metals,2005(3). |
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| Authors: | SHI Xiangdong WANG Jingsongl XUE Qingguo CANG Daqiang WANG Liping and WU Shupiao Metallurgical and Ecological Engineering School University of Science and Technology Beijing Beijing China Sinosteel Sci-Tech Development Company Beijing China Shijiazhuang Iron and Steel Co Ltd Shijiazhuang China |
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| Affiliation: | SHI Xiangdong1,2),WANG Jingsongl),XUE Qingguo1),CANG Daqiang1),WANG Liping3),and WU Shupiao3)1) Metallurgical and Ecological Engineering School,University of Science and Technology Beijing,Beijing 100083,China2) Sinosteel Sci-Tech Development Company,Beijing 100031,China3) Shijiazhuang Iron and Steel Co. Ltd.,Shijiazhuang 050031,China |
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| Abstract: | The effect of electric pulse modifying on the solidification structure of an Al-15%Si alloy was investigated. Theresult shows that the primary silicon disappears sometimes and the eutectic phase is refined after the treatment of EP (elec-tric pulse) though there are different modalities in different treating durations. DSC (differential scanning calorimetry)analysis indicates that the super-cooling temperature decreases and the freezing range narrows evidently after the electricpulse treatment. |
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| Keywords: | solidification structure electric pulse Al-Si alloy DSC |
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