Abstract

Human-made lattice mechanical metamaterials have recently been shown to exhibit better stiffness or tunable properties than natural materials. We demonstrated that body-centered-cubic (BCC) metamaterials made by 3D-printer stereolithography (SLA) display good recovery properties after undergoing cyclic large compressive deformation. Our experimental results reveal that the strut thickness of BCC metamaterials affect the recovery and mechanical behaviors during compression.

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