#7462. Novel arc-shaped ligaments to enhance energy absorption capabilities of re-entrant anti-trichiral structures

October 2026publication date
Proposal available till 18-05-2025
4 total number of authors per manuscript0 $

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Journal’s subject area:
Mechanical Engineering;
Industrial and Manufacturing Engineering;
Mechanics of Materials;
Ceramics and Composites;
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Abstract:
In this study, novel re-entrant anti-trichiral (REAT) structures with arc-shaped ligaments are proposed to enhance both the elastic modulus and energy absorption capabilities through both experimental and numerical approaches. By first replacing straight ligaments with curved ligaments, unique deformation patterns are introduced through the rotation of cylinders, contact interaction between cylinder and ligaments, as well as petal-like cell interactions.
Keywords:
Auxetic structure; Large deformation; Mechanical property; Negative Poissons ratio; Re-entrant anti-trichiral honeycomb

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