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HomeMaterials Science ForumMaterials Science Forum Vol. 933Influence of Ambient Pressure on Cell Structure...

Influence of Ambient Pressure on Cell Structure Evolution in Liquid Aluminum Foam

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Abstract:

Foaming of liquid aluminum was applied under different ambient pressure, from vacuum pressure to overpressure. The expansion rate of the liquid foam was recorded and the cell structure of foam specimens was characterized. It is found that varying ambient pressure shows effective influence on the thermal decomposition of TiH₂ inside liquid aluminum. Cell size distribution and cell wall thickness is also greatly influenced by ambient pressure.

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Porous Metals and Metallic Foams

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Periodical:

Materials Science Forum (Volume 933)

Pages:

106-111

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.933.106

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Online since:

October 2018

Authors:

Zhuo Kun Cao*, Yang Yu, Min Li

Keywords:

Aluminum Foam, Critical Thickness of Film Rupture, Foam Stability, Variable Pressure Foaming

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© 2018 Trans Tech Publications Ltd. All Rights Reserved

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