Crashworthiness analysis of glass fibre/epoxy laminated thin walled composite conical frusta under axial compression
作者： M. Kathiresan , K. Manisekar , V. Manikandan
DOI: 10.1016/J.COMPSTRUCT.2013.09.060
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摘要: Abstract The quasi-static axial compression of thin-walled E-glass fibre/epoxy resin reinforced (GFRP) composite conical frusta was carried out to study the crashworthiness shells. hollow frustrated fibre polymer specimens having semi-apical angle ranging from 15° 27° were fabricated using random ply chopped, plain woven roving cross [0/90], and uni-directional [±60°] oriented mats required dimensions by hand layup process. Quasi-static load applied over small end specimen with a crosshead speed 2 mm/min Universal Testing Machine (UTM). From experiment results, deformation characteristics thin GFRP shells analyzed results validated through finite element analysis package ABAQUS®. Further, influence orientation laminate wall thickness towards energy absorbing capability each studied. buckling mode collapse crushed zones also investigated identify mechanisms involved in fibre/resin laminated under compression.
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