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dc.contributor.authorJang, Wen-Yeaen_US
dc.contributor.authorKyriakides, Steliosen_US
dc.date.accessioned2015-07-21T08:28:31Z-
dc.date.available2015-07-21T08:28:31Z-
dc.date.issued2015-02-01en_US
dc.identifier.issn0020-7403en_US
dc.identifier.urihttp://dx.doi.org/10.1016/j.ijmecsci.2014.02.008en_US
dc.identifier.urihttp://hdl.handle.net/11536/124574-
dc.description.abstractCommonly used hexagonal honeycomb is manufactured by cold expansion of a laminate of thin metal foils that are bonded along periodically placed strips. The process results in nearly hexagonal cells with double walls in one direction, small rounding at the bent corners, and leaves behind residual stresses. This paper evaluates the effect of the expansion on the compressive response of the honeycomb. A finite element model of a characteristic cell is developed using shell elements and by applying to it the appropriate periodicity conditions. The model is first expanded mechanically producing the realistic geometry and changes to the mechanical properties of the material. The cell is subsequently compressed laterally leading first to buckling, followed by collapse by progressive folding, all similar to the behavior of ideal, stress free hexagonal honeycomb. The calculated buckling stress is about 10% higher than the ideal case, the collapse stress about 5% lower and the average crushing stress somewhat higher. In addition, the buckling and collapse stresses show some sensitivity to the size of periodic domain analyzed, as indeed was the case for the ideal case. (C) 2014 Elsevier Ltd. All rights reserved.en_US
dc.language.isoen_USen_US
dc.subjectHoneycomben_US
dc.subjectExpandeden_US
dc.subjectLateral compressionen_US
dc.subjectBucklingen_US
dc.subjectCrushingen_US
dc.subjectEnergy absorptionen_US
dc.titleOn the buckling and crushing of expanded honeycomben_US
dc.typeArticleen_US
dc.identifier.doi10.1016/j.ijmecsci.2014.02.008en_US
dc.identifier.journalINTERNATIONAL JOURNAL OF MECHANICAL SCIENCESen_US
dc.citation.volume91en_US
dc.citation.spage81en_US
dc.citation.epage90en_US
dc.contributor.department機械工程學系zh_TW
dc.contributor.departmentDepartment of Mechanical Engineeringen_US
dc.identifier.wosnumberWOS:000351647100010en_US
dc.citation.woscount0en_US
Appears in Collections:Articles