Auxetic metamaterials and structures are characterized by their negative Poisson's ratio
meaning that they exhibit lateral expansion under tensile axial loads and densification under …

Bio-inspired structural design was considered as a promising strategy to improve the
mechanical performance and energy absorption of lightweight cellular materials. In this …

Abstract 4D-printed deformable honeycombs can produce pro-programmed shape
deformation and different properties under external stimuli, and the manufacturing process …

This paper investigated the quasi-static compressive performances and failure behaviors of
composite auxetic re-entrant honeycomb sandwich structure. Three types of auxetic re …

Honeycomb structures exhibit outstanding mechanical properties with specific unit cell
configurations. We introduce a novel honeycomb structure that can enhance the …

Auxetic metamaterials as a cutting-edge field have attracted extensive attention from
researchers because of their peculiar deformation mode and excellent mechanical …

Auxetic arc-curved honeycomb has attracted extensive attention due to its lower stress
concentration level. The energy absorption capacity of the arc-curved honeycomb can be …

With the advancement of 3D printing technology, manufacturing metamaterials with extreme
mechanical properties is becoming more feasible. Hierarchical lattices appear to be ideal …

In this study, Al 2 O 3 honeycomb sandwich structures with different core geometries
(square, triangular, circular) have been fabricated through an additive manufacturing system …

Apart from the inherent anomalous behaviour under tensile and compressive structures,
auxetic structures have shown improved energy absorption characteristics that are of prime …