THE STRUCTURE CONTROL OF ALUMINUM FOAMS PRODUCED BY POWDER COMPACTED FOAMING PROCESS

X.H.You; F. Wang; L.C.Wang

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THE STRUCTURE CONTROL OF ALUMINUM FOAMS PRODUCED BY POWDER COMPACTED FOAMING PROCESS

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摘要

A new technique, powder compact foaming process for the production of aluminum foams has been studied in this article. According to this method, the aluminum powder is mixed with a powder foaming agent (TiH2). Subsequent to mixing, the powder blend is hot compacted to obtain a dense semi-finished product. Upon heating to temperatures within the range of the melting point, the foaming agent decomposes to evolve gas and the semi-finished product expands into a porous cellular aluminum. Foaming process is the key in this method. Based on experiments, the foaming characteristics were mainly analyzed and discussed. Experiments show that the aluminum-foam with closed pores and a uniform cell structure of high porosity can be obtained using this method by adjusting the foaming parameters: the content of foaming agent and foaming temperature.

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来源
《金属学报：英文版》 |2004年第3期|279-282|共4页
作者
X.H.You; F. Wang; L.C.Wang;
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作者单位

Department of Materials Science and Engineering;

Taiyuan Heavy Machinery Institute;

Taiyuan 030024;

China;

Department of Materials Science and Engineering;

Taiyuan Heavy Machinery Institute;

Taiyuan 030024;

China;

Department of Materials Science and Engineering;

Taiyuan Heavy Machinery Institute;

Taiyuan 030024;

China;

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原文格式 PDF
正文语种 chi
中图分类 TF125.22;TG146.21;
关键词
泡沫铝; 泡沫金属; 结构控制; 粉末冶金; 成形过程;

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THE STRUCTURE CONTROL OF ALUMINUM FOAMS PRODUCED BY POWDER COMPACTED FOAMING PROCESS

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