| 藕状多孔金属Mg的Gasar工艺制备 |
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| 引用本文： | 刘源,李言祥,张华伟.藕状多孔金属Mg的Gasar工艺制备[J].金属学报,2004,40(11):1121-1126. |
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| 作者姓名： | 刘源 李言祥 张华伟 |
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| 作者单位： | 清华大学机械工程系,北京,100084 |
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| 基金项目： | 教育部博士点基金项目22020003086，航天技术创新基金项目03200310101资助 |
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| 摘 要： | 金属／气体共晶定向凝固(Gasar)是一种制备规则多孔金属的新工艺．本文利用自行开发的Gasar装置，成功制备了具有规则气孔分布的藕状多孔金属Mg，并研究了气体压力对气泡形核、气孔率、气孔大小和分布的影响。
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| 关 键 词： | 多孔金属 共晶凝固 Gasar工艺 藕状结构 |
| 文章编号： | 0412-1961(2004)11-1121-06 |
| 收稿时间： | 2003-12-28 |
| 修稿时间： | 2004-04-01 |
FABRICATION OF LOTUS--STRUCTURED POROUS MAGNESIUM WITH GASAR PROCESS |
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| LIU Yuan,LI Yanxiang,ZHANG Huawei.FABRICATION OF LOTUS--STRUCTURED POROUS MAGNESIUM WITH GASAR PROCESS[J].Acta Metallurgica Sinica,2004,40(11):1121-1126. |
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| Authors: | LIU Yuan LI Yanxiang ZHANG Huawei |
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| Affiliation: | Department of Mechanical Engineering, Tsinghua University, Beijing 100084 |
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| Abstract: | Directional solidification of metal/gas eutectic (Gasar) is a novel process for fabricating porous metals with oriented pores parallel to the solidification direction. By use of the developed Gasar apparatus, porous magnesium samples with different porosities have been fabricated. In addition, this paper also studied the effects of gas pressure on porosity, pore nucleation, pore size and distribution. |
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| Keywords: | porous metal eutectic solidification Gasar process lotus structure |
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