Odd mechanical metamaterials with simultaneously expanding or contracting under both compression and tension

X Tan, B Cao, W Liu, C Ji, B Wang, S Li - Thin-Walled Structures, 2024 - Elsevier
Mechanical metamaterials with negative Poisson's ratio have attracted widespread attention
in recent decades due to their unique mechanical properties. This metamaterial often …

A bio-inspired auxetic metamaterial with two plateau regimes: Compressive properties and energy absorption

A Alomarah, Y Yuan, D Ruan - Thin-Walled Structures, 2023 - Elsevier
Auxetics are a unique class of materials that exhibit a negative Poisson's ratio (NPR) owing
to their distinguish deformation behavior. However, some auxetics are either weak in their in …

A novel hybrid auxetic honeycomb with enhanced load-bearing and energy absorption properties

L Li, F Yang, S Zhang, Z Guo, L Wang, X Ren… - Engineering …, 2023 - Elsevier
Auxetic structures with negative Poisson's ratio exhibit excellent performance in cushioning,
shear resistance and energy absorption, but their load-bearing capacity is usually poor. To …

[HTML][HTML] Mechanical response of functionally graded lattices with different density grading strategies

C Rodrigo, S Xu, Y Durandet, P Tran, D Ruan - Thin-Walled Structures, 2023 - Elsevier
This paper explains the quasi-static compressive behaviour of functionally graded lattices
made of polyamide PA11 by multi jet fusion (MJF). The effects of various unit cell topologies …

[HTML][HTML] Additive manufactured Triply Periodical Minimal Surface lattice structures with modulated hybrid topology

Z Xu, I La Mendola, N Razavi, S Bagherifard - Engineering Structures, 2023 - Elsevier
The fabrication freedom offered by additive manufacturing techniques is a unique asset to
be exploited in the design of lightweight lattice structures. Adjusting topological and …

Characterization of penetrate and interpenetrate tessellated cellular lattice structures for energy absorption

A Dara, A Johnney Mertens… - Proceedings of the …, 2023 - journals.sagepub.com
Recently, cellular lattice structures are gaining research attention due to their lightweight
and high energy absorption. Interpenetrated lattice structure is a combination of two or more …

Design, FDM printing, FE and theoretical analysis of auxetic structures consisting of arc-shaped and Dumbell-shaped struts under quasi-static loading

E Etemadi, M Hosseinabadi, F Scarpa, H Hu - Composite Structures, 2023 - Elsevier
This paper presents the design, 3D printing, and testing of this novel type of auxetic structure
formed with arc-shaped unit-cells (UCs). The mechanical behavior of two different re-entrant …

Achieving superelastic shape recoverability in smart flexible CuAlMn metamaterials via 3D printing

D Zheng, R Li, J Kang, M Luo, T Yuan, C Han - International Journal of …, 2024 - Elsevier
Despite the remarkable advancements in the additive manufacturing of metamaterials,
tradeoffs remain between functionality and mechanical performance owning to static …

3D printed negative stiffness meta-structures with superior energy absorption and super-elastic shape-recovery features

M Hosseinabadi, E Etemadi, A Serjouei… - Smart Materials and …, 2023 - iopscience.iop.org
The aim of this paper is to create novel 3D cubic negative stiffness (NS) structures (NSSs)
with superior mechanical performances such as high energy absorption, shape recovery …

Design of a programmable particle filtering medium using a novel auxetic metamaterial

HMA Ali, M Abdi, SA Zahedi, Y Sun - Smart Materials and …, 2023 - iopscience.iop.org
This study presents the design and development of a 2D auxetic filtering medium with
programmable geometric features specifically designed to vary under in-plane tensile strain …