Mechanical metamaterials enable the creation of structural materials with unprecedented
mechanical properties. However, thus far, research on mechanical metamaterials has …

Rational design of artificial micro-structured metamaterials with advanced mechanical and
physical properties that are not accessible in nature materials is challenging and important …

In this study, the mechanical properties of a vertex-based hierarchical re-entrant honeycomb
structure (H v) were investigated. Firstly, the overlap** effect of struts was considered in …

In lightweight engineering, higher specific stiffness and strength for low-density are constant
quests, additively-manufactured auxetic truss-lattices have attracted great attentions due to …

The research field of auxetics, materials or structures exhibiting a negative Poisson's ratio,
has received attention because of the unusually advantageous material properties that can …

Auxetic mechanical metamaterials (AMMs), as an exciting paradigm of metamaterials, have
attracted increasing attention due to their interesting mechanical properties (eg negative …

Nanoscale spacecrafts have shed light on an audacious but promising vision for interstellar
travel to neighboring planets beyond the solar system. The nanocrafts can be accelerated to …

This paper developed and fabricated four novel hybrid metamaterial structures by combining
honeycomb, re-entrant, and star-shaped unit-cells by additive manufacturing (AM) …

Emerging interest to synthesize active, engineered matter suggests a future where smart
material systems and structures operate autonomously around people, serving diverse roles …

An auxetic metamaterial is a type of mechanical metamaterial that has a negative Poisson's
ratio. Most auxetic metamaterials are truss-based or originate from Boolean operations of …