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Metal foam evolution studied by synchrotron radioscopy

 
: Banhart, J.; Stanzick, H.; Helfen, L.; Baumbach, T.

:

Applied Physics Letters 78 (2001), No.8, pp.1152-1154
ISSN: 0003-6951
ISSN: 1077-3118
English
Journal Article
Fraunhofer IZFP ()
Fraunhofer IFAM ()

Abstract
High-intensity synchrotron x-ray radioscopy was used to obtain real-time images of foaming metals, thus allowing the formation, growth, and decay of such systems to be studied. Bubble generation, foam coalescence and drainage of an aluminum-based alloy foam were investigated. Although the foaming process appears to be very simliar to the formation of aqueous foams, the observed rupture behavior of thin metal films suggests that the processes responsible for metal foam stabilization and destabilization must be quite different.

: http://publica.fraunhofer.de/documents/N-8854.html