2001
DOI: 10.1016/s0022-5096(00)00039-9
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The mode I crack growth resistance of metallic foams

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Cited by 48 publications
(19 citation statements)
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“…Previous researches reveal that commercial metal foams generally exhibit anisotropic mechanical properties (Gibson and Ashby, 1997;Andrews et al, 1999;Chen et al, 2001;Alkhader and Vureal, 2009;Combaz et al, 2010b;Marie and David, 2013). Thus, uniaxial compression tests are first conducted on cubic sample with the dimension of 40mm in three mutually perpendicular principal directions (shown in Figure 2) in order to characterize directional properties of this foam, which should be taken into consideration before investigating mechanical behavior.…”
Section: Sample Sizesmentioning
confidence: 99%
“…Previous researches reveal that commercial metal foams generally exhibit anisotropic mechanical properties (Gibson and Ashby, 1997;Andrews et al, 1999;Chen et al, 2001;Alkhader and Vureal, 2009;Combaz et al, 2010b;Marie and David, 2013). Thus, uniaxial compression tests are first conducted on cubic sample with the dimension of 40mm in three mutually perpendicular principal directions (shown in Figure 2) in order to characterize directional properties of this foam, which should be taken into consideration before investigating mechanical behavior.…”
Section: Sample Sizesmentioning
confidence: 99%
“…La existencia de defectos estructurales también contribuye a la disminución de estos valores. Por consiguiente, la reducción de los defectos estructurales a través de la mejora de técnicas de manufactura es esencial para mejorar las propiedades mecánicas de estos materiales [45] .…”
Section: 2 2 P Pr Ro Op Pi Ie Ed Da Ad De Es S Q Qu Uí íM MI Iunclassified
“…Recently, Chen et al [19] used the cohesive zone model to predict the crack growth initiation and resistance curves of metal foams from pre-existing cracks and holes. The linear softening bridging is introduced to model the fracture process, and a phenomenological approach is adopted: the heterogeneous metallic foam is replaced by a compressible elasticplastic power-law hardening solid, with an independently validated elliptical yield surface in yon Mises stress versus mean stress space.…”
Section: Crack Growth Resistancementioning
confidence: 99%
“…Deshpande and Fleck [6] show that a is related to the plastic [19] then carried out a finite element study with ABAQUS on the effects of material and geometrical parameters on their tensile strengths and the mechanisms underlying the brittle-ductile transition. In addition, the crack growth resistance curve (Rcurve) for a semi-infinite crack in SSY has been determined to remove the effect of specimen geometry in the long crack limit.…”
Section: Crack Growth Resistancementioning
confidence: 99%
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