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Current architectured cellular cushion materials rely mainly on damage and/orunpredictable collapse of their unit cells to absorb and dissipate energy underimpact. This prevents shape recovery and produces undesirable forcefluctuations that limit reusability and reduce energy absorption efficiency.Here, we propose to combine advanced manufacturing technologies with Origamiprinciples to create a new class of architectured cellular viscoelastic cushionmaterial which combines low weight and high energy absorption efficiency withdamage resistance and full behavior customization. Each unit cell in theproposed material is inspired by the Kresling Origami topology, which absorbsimpact energy by gracefully folding the different interfaces forming the cellto create axial and rotational motions. A large part of the absorbed energy isthen dissipated through viscoelasticity and friction between the interfaces.The result is a nearly ideal cushion material exhibiting high energy absorbingefficiency (around 70%) combined with high energy dissipation (94% of theabsorbed energy). The material is also tunable for optimal performance,reliable despite successive impact events, and achieves full shape recovery.

An Origami-Inspired Design of Highly Efficient Cellular Cushion Materials