Improvement of aluminium foam technology by tailoring of blowing agent
作者： Biljana Matijasevic , John Banhart
DOI: 10.1016/J.SCRIPTAMAT.2005.10.045
关键词: Blowing agent 、 Titanium hydride 、 Aluminium 、 Yield (engineering) 、 Composite material 、 Thermal 、 Metallurgy 、 Metal foam 、 Hydrogen 、 Alloy 、 Materials science
摘要: Abstract Aluminium foams produced by melting powder compacts containing a blowing agent are usually non-uniform which might lead to inferior mechanical properties. The reasons for this can be thermal gradients during foaming and is not adapted the range of alloy foamed. We discuss various strategies improve aluminium then demonstrate that titanium hydride (TiH 2 ) tailored selective oxidation partial discharge yield more uniform foams. find expansion potential uniformity cell size distribution improved individual walls smoother less corrugated when foam blown with pre-treated TiH .
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