| 泡沫铝芯三明治板的粉末冶金制备及其板/芯界面研究 |
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| 引用本文： | 梁晓军,朱勇刚,陈锋,何德坪.泡沫铝芯三明治板的粉末冶金制备及其板/芯界面研究[J].材料科学与工程学报,2005,23(1):77-80. |
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| 作者姓名： | 梁晓军 朱勇刚 陈锋 何德坪 |
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| 作者单位： | 东南大学材料科学与工程系,江苏,南京,210096 |
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| 基金项目： | 国家自然科学基金
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教育部留学回国人员科研启动基金 |
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| 摘 要： | 采用粉末冶金发泡法制备了Fe/Al/Fe、Ti/Al/Ti泡沫铝芯三明治结构,研究了泡沫铝芯的膨胀规律,分析了面板与泡沫铝芯的冶金结合过程,提出了微观结合机制.试验发现,结合界面由扩散反应形成的金属间化合物以及冷却得到的凝固组织两部分组成,从而形成良好的冶金结合.
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| 关 键 词： | 粉末冶金 三明治 泡沫铝 冶金结合 界面 泡沫铝 三明治结构 粉末冶金 界面研究 Plate Face Method Powder Sandwich Foam Aluminium Preparation Research Microstructure Interfacial 组成 凝固组织 冷却 金属间化合物 反应形成 |
| 文章编号： | 1004-793X(2005)01-0077-04 |
| 修稿时间： | 2004年4月20日 |
Research on Preparation Of Aluminium Foam Sandwich by Powder Metallurgical Method and Face Plate/Foam Core Interfacial Microstructure |
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| LIANG Xiao-jun,ZHU Yong-gang,CHEN Feng,HE De-ping.Research on Preparation Of Aluminium Foam Sandwich by Powder Metallurgical Method and Face Plate/Foam Core Interfacial Microstructure[J].Journal of Materials Science and Engineering,2005,23(1):77-80. |
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| Authors: | LIANG Xiao-jun ZHU Yong-gang CHEN Feng HE De-ping |
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| Abstract: | Iron/aluminium foam/iron and titanium/aluminium foam/titanium sandwiches were prepared by powder metallurgical foaming method. The expansion behavior of aluminium foam core and the metallurgical combination process between the face plate and the core during heating were investigated, and the combination mechanism was established. It was found that the combination interfaces are composed of two parts, the intermetallic compounds formed by diffusion during heating and the structures solidified during cooling, which result in a good metallic combination between the face plates and the cores. |
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| Keywords: | powder metallurgy sandwich aluminium foam metallurgical combination interface |
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