Failure modes and influence of the quasi-static deformation rate on the mechanical behavior of sandwich panels with aluminum foam cores

I. Duarte, F. Teixeira-Dias, A. Graça, A.J.M. Ferreira

Research output: Contribution to journalArticlepeer-review

Abstract

The main purpose of this work is to study the bending behavior and deformation mechanisms of sandwich panels with AlSi7-alloy foam cores obtained by the powder metallurgy method. For this purpose, quasi-static three-point bending tests were performed on samples of AlSi7-alloy foam sandwich panels at different cross-head displacement rates: 1, 10, 20, 40 and 80 [mm/min]. Load-deflection values were registered during the bending test and further transformed into bending moment-rotation data. Obtained results show that different failure collapse modes can be obtained for samples with identical nominal dimensions, depending on the cross-head displacement rate.
Original languageEnglish
Pages (from-to)335-342
Number of pages8
JournalMechanics of Advanced Materials and Structures
Volume17
Issue number5
DOIs
Publication statusPublished - 1 Jul 2010

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