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Statistical model for the compressive response of anisotropic polymeric and metallic foams

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dc.contributor.author Kontou, E en
dc.contributor.author Spathis, G en
dc.contributor.author Kefalas, V en
dc.date.accessioned 2014-03-01T02:14:40Z
dc.date.available 2014-03-01T02:14:40Z
dc.date.issued 2012 en
dc.identifier.issn 00222461 en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/30084
dc.subject.other Cellular material en
dc.subject.other Compressive response en
dc.subject.other Degree of anisotropy en
dc.subject.other Foam material en
dc.subject.other Manufacturing process en
dc.subject.other Metallic foam en
dc.subject.other Micro mechanics model en
dc.subject.other Orientation distribution function en
dc.subject.other Statistical models en
dc.subject.other Stress-strain response en
dc.subject.other Transverse directions en
dc.subject.other Anisotropy en
dc.subject.other Struts en
dc.subject.other Polymers en
dc.title Statistical model for the compressive response of anisotropic polymeric and metallic foams en
heal.type journalArticle en
heal.identifier.primary 10.1007/s10853-012-6419-x en
heal.identifier.secondary http://dx.doi.org/10.1007/s10853-012-6419-x en
heal.publicationDate 2012 en
heal.abstract Cellular materials, based either on polymers or metals, exhibit similar compressive stress-strain response. In a previous work, this behavior has been described in terms of a statistical micromechanics model, which deals with the deformation of individual struts of the foam material, assuming that it is an isotropic one. However, due to the manufacturing process, cellular materials are substantially anisotropic, having different properties in the (foam) rise and transverse direction. In this study, the degree of anisotropy, has been taken into account by an orientation distribution function (ODF). The ODF has been treated as a probability density function and was used to calculate the rate of struts transition from elastic to buckling (yield) region. It has been found, that with this statistical model, the particular features of compressive response of polymeric and metallic foams in the rise and transverse direction, could be successfully described. © 2012 Springer Science+Business Media, LLC. en
heal.journalName Journal of Materials Science en
dc.identifier.doi 10.1007/s10853-012-6419-x en
dc.identifier.volume 47 en
dc.identifier.issue 13 en
dc.identifier.spage 5326 en
dc.identifier.epage 5332 en


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