Function of grinding fly ash in production of aluminum foam

王永; 姚广春; 李兵

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Function of grinding fly ash in production of aluminum foam

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＜正＞The fly ash was added to melt to increase the melt viscosity. The main components are quartz and mullite in the fly ash, therefore it’s a kind of hardness ceramic particles. After grinding for 10 h, the spherical particles increase and new surface is produced which will improve their performance. The cell wall was observed by SEM, many fly ash particles are in the wall. These particles tend to increase the molten aluminum surface viscosity, postpone the exhaust’ course, sustain the liquid within the film and delay the onset of rupture. Finally, the aluminum foam with uniform cell structure can be obtained. The density is about 0.4 g/cm3, porosity is in the range of 85%-90% and the aperture is 4-7 mm.

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《中国有色金属学报：英文版》 |2006年第s3期|1429-1432|共4页
作者
王永; 姚广春; 李兵;
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作者单位

School of Materials and Metallurgy Northeastern University;

Shenyang 110004;

China;

School of Materials and Metallurgy;

Northeastern University;

Shenyang 110004;

China;

School of Materials and Metallurgy;

Northeastern University;

Shenyang 110004;

China;

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原文格式 PDF
正文语种 chi
中图分类磨削加工工艺;
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机译：泡沫铝;研磨粉煤灰;研磨功能;熔融发泡;

Function of grinding fly ash in production of aluminum foam

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