| 脉冲电流影响合金熔体特征及其凝固组织的研究进展 |
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| 引用本文： | 丁宏升,张 永,姜三勇,陈瑞润,郭景杰,徐达鸣,傅恒志.脉冲电流影响合金熔体特征及其凝固组织的研究进展[J].稀有金属材料与工程,2009,38(1):180-184. |
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| 作者姓名： | 丁宏升 张 永 姜三勇 陈瑞润 郭景杰 徐达鸣 傅恒志 |
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| 作者单位： | 哈尔滨工业大学,黑龙江,哈尔滨,150001 |
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| 基金项目： | 黑龙江省自然科学基金，哈尔滨工业大学交叉学科基金 |
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| 摘 要： | 综述了国内外在脉冲电流液态金属处理方面的应用,对比总结了脉冲电流作用对不同合金的熔体处理及其凝固过程的影响,评述了脉冲电流的作用机理.针对当前研究中的问题及发展趋势,指出脉冲电流作为一种重要的外场辅助手段,在航空航天等轻型耐热材料的凝固制备和铸造上具有广阔的应用前景.
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| 关 键 词： | 脉冲电流 合金熔体 凝固组织 Al-Si合金 |
| 收稿时间： | 2008/3/31 0:00:00 |
Study Progresses on the Effects of Pulsed Current on Alloy Melts and the Solidification Microstructures of Alloys |
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| Ding Hongsheng,Zhang Yong,Jiang Sanyong,Chen Ruirun,Guo Jingjie,Xu Daming and Fu Hengzhi.Study Progresses on the Effects of Pulsed Current on Alloy Melts and the Solidification Microstructures of Alloys[J].Rare Metal Materials and Engineering,2009,38(1):180-184. |
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| Authors: | Ding Hongsheng Zhang Yong Jiang Sanyong Chen Ruirun Guo Jingjie Xu Daming and Fu Hengzhi |
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| Affiliation: | Harbin Institute of Technology;Harbin 150001;China |
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| Abstract: | So far there are a lot of works domestic and abroad about how the pulsed current affects the melts and solidification of alloys, although the results appear uncertain and not systematic due to their different experimental ways, process parameters and conditions. Hereby this paper reviews the world-wide application of the pulsed current on liquid metals, summarizes the effects of pulsed current on the alloys melts and the course of solidification, and analyses their mechanisms. According to our own experimen... |
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| Keywords: | pulsed current alloys melt solidification microstructure Al-Si alloys |
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