[Kovove materialy - Metallic materials]
    Thu - March 28, 2024 - 12:06 No. of hits : 1736387 ISSN 1338-4252 (online) ISSN 0023-432X (printed)
© Institute of Materials and Machine Mechanics, Slovak Academy of Sciences, Bratislava, Slovak Republic

VOLUME 42 (2004), Issue 2

Comparison of zinc and aluminium foam behaviour
KOVACIK, J., SIMANCIK, F.
vol. 42 (2004), no. 2, pp. 79 - 90

Abstract
The zinc foam was studied in the porosity range of 78-91 %. It was found that to foam zinc it is necessary to overheat significantly the foam above the melting temperature of metal or to use higher amount of foaming agent. Deformation behaviour of zinc foams is comparable to aluminium foams behaviour: compression strength of zinc foams is significantly lower at similar density; foams of equal porosity possess almost identical compression strength. Situation is similar when absorbed deformation energy is considered. Thanks to low foaming temperature, zinc foams can be used for partial stiffening of complex hollow profiles by “in-situ” foaming.

Key words
metallic foams, zinc foams, foaming, compression, bending

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Full title of this journal is bilingual: Kovové materiály - Metallic Materials.
The official abbreviation in accordance with JCR ISI is Kovove Mater.


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