Buckling and vibration behaviour of syntactic foam core sandwich beam with natural fiber composite facings under axial compressive loads

Simple item page
dc.contributor.authorWaddar, S.
dc.contributor.authorJeyaraj, P.
dc.contributor.authorDoddamani, M.
dc.contributor.authorBarbero, E.
dc.date.accessioned2026-02-05T09:29:33Z
dc.date.issued2019
dc.description.abstractAn experimental study of buckling and dynamic response of cenosphere reinforced epoxy composite (syntactic foam) core sandwich beam with sisal fabric/epoxy composite facings under compressive load is presented. Influence of cenosphere loading and surface modification on critical buckling load and natural frequencies of the sandwich beam under compressive load is presented. The critical buckling load is obtained from the experimental load-deflection data while natural frequencies are obtained by performing experimental modal analysis. Results reveal that natural frequencies and critical buckling load increase significantly with fly ash cenosphere content. It is also observed that surface modified cenospheres enhance natural frequencies and critical buckling load of the sandwich beam under compressive load. Vibration frequencies reduce with increase in compressive load. Fundamental frequency increases exponentially in post-buckling regime. Experimentally obtained load-deflection curve and natural frequencies are compared with finite element analysis wherein results are found to be in good agreement. © 2019 Elsevier Ltd
dc.identifier.citationComposites Part B: Engineering, 2019, 175, , pp. -
dc.identifier.issn13598368
dc.identifier.urihttps://doi.org/10.1016/j.compositesb.2019.107133
dc.identifier.urihttps://idr.nitk.ac.in/handle/123456789/24339
dc.publisherElsevier Ltd
dc.subjectComposite beams and girders
dc.subjectFacings
dc.subjectFly ash
dc.subjectFoams
dc.subjectModal analysis
dc.subjectNatural fibers
dc.subjectNatural frequencies
dc.subjectSandwich structures
dc.subjectSyntactics
dc.subjectAxial compressive load
dc.subjectCritical buckling loads
dc.subjectExperimental modal analysis
dc.subjectFree vibration
dc.subjectFundamental frequencies
dc.subjectNatural fiber composites
dc.subjectSandwich beams
dc.subjectSyntactic foams
dc.subjectBuckling
dc.titleBuckling and vibration behaviour of syntactic foam core sandwich beam with natural fiber composite facings under axial compressive loads

Files

Collections

Journal Articles