Abstract
This study aims to comprehensively review previous and present research on the dynamic responses of 3D-printed sandwich composite structures. The low-velocity impact and failure mechanisms caused by the impact load and energy absorption capabilities are discussed. Investigating the processes and mechanics of a material is an essential step in addressing the structural failure problems, which are mostly caused by a fracture. The encouraging impact resistance results have prompted researchers to explore the capabilities of structural integrity to optimize performance, which can be accomplished leveraging the enhanced material and architectural combinations of sandwich composites. The ongoing research into low-velocity behaviour of fabricated sandwich composite structures with 3D-printed hexagonal honeycomb cores and varying core materials is emphasized in this study.
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