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Optimization of sandwich structures for strength to weight under conditions of relatively concentrated loading is surprisingly complex. In the present work, the specific question as to whether improvements in strength to weight of sandwich beams made with fiber composite faces and polymeric foam...
This paper investigates the transition from face wrinkling failure to face sheet compression failure, the latter induced by local buckling at fibre level, so called face sheet microbuckling. An experimental series is performed on small sandwich panels subjected to uni-axial compression. Two...
The bending behavior of unidirectional singly curved sandwich panels with a ‘‘soft’’ core and delaminated (debonded) zones or slipping layers is described herein. The delaminated zone is assumed to exist through the width of the panels, and is in the form of an interfacial debonded zone...
An investigation of the response of sandwich structures subjected to impact velocities of virtually 0 m/s and approximately 1000 m/s is conducted. The higher velocity exceeds both the longitudinal and the transverse wave propagation velocities of the core material in the sandwich panels. The...
Curved sandwich beams subjected to opening bending moment are studied. Face–core debonds of varying size are introduced at the compressively loaded face sheet and the structural integrity is investigated. Analytical and finite element models are compared in order to identify the governing...
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