[HTML][HTML] A state-of-the-art review on the application of auxetic materials in cementitious composites

EO Momoh, A Jayasinghe, M Hajsadeghi, R Vinai… - Thin-Walled …, 2024 - Elsevier
Auxetic materials expand in the lateral direction when stretched axially and contract laterally
when compressed axially, thereby resulting in a negative Poisson's ratio. This counter …

Improved mechanical characteristics of new auxetic structures based on stretch-dominated-mechanism deformation under compressive and tensile loadings

E Etemadi, M Gholikord, M Zeeshan, H Hu - Thin-Walled Structures, 2023 - Elsevier
The aim of this paper is to develop two novel in-plane auxetic structures with remarkable
stiffness and negative Poisson's ratio (NPR) appropriate for compression and tensile load …

Modified re-entrant auxetic metamaterials with energy absorption enhancement

E Etemadi, AMM Zamani, F Scarpa, M Zeeshan… - Materials Today …, 2024 - Elsevier
The re-entrant auxetic topology was one of the first unit-cells proposed to build cellular
auxetic structures. This unit cell (UC) is still widely used in energy-absorbing systems, but …

On the out-of-plane crashworthiness of incorporating hierarchy and gradient into hexagonal honeycomb

R Zhao, B Yuan, D Zhou, Z Li, M Zhao… - Mechanics of Advanced …, 2024 - Taylor & Francis
Hierarchical design and gradient design have proven to be effective in improving the
crashworthiness of honeycombs. In this study, a novel graded hierarchical hexagonal …

Comparative failure behavior of metal honeycomb structures under bending: A finite element-based study

MF Kahraman, S İriç, K Genel - Engineering Failure Analysis, 2024 - Elsevier
In recent years, metallic honeycomb structures have been popularly researched due to their
significant influence on structural strength and rigidity. In this study, the bending response of …

On the effective elastic constants of anti-tetra chiral tubular structure

C Zhang, Y Zhu, F Lu, J Wu, Z Wu - Engineering Structures, 2023 - Elsevier
Anti-tetra chiral honeycomb is a typical auxetic metamaterial that exhibits excellent auxetic
behavior. Based on anti-tetra chiral honeycomb, previous studies proposed a 3D tubular …

Auxetic lattice structures consisting of an enhanced trigram frame unit cell with superior stiffness

M Bashtani, E Etemadi, H Hu, M Moradi - Composite Structures, 2024 - Elsevier
Superior stiffness is deemed essential for structures intended for several applications. The
stiffness enhancement can be achieved by adopting structures that deform based on the …

Bending performance of the AuxOcta multi-cellular beam structure

MF Kahraman, K Genel - Engineering Structures, 2023 - Elsevier
Auxetic cellular tubes are potential candidates for several engineering applications requiring
resistance to bending due to the enormous demand for lightweight and high mechanical …

Synergizing Algorithmic Design, Photoclick Chemistry and Multi‐Material Volumetric Printing for Accelerating Complex Shape Engineering

P Chansoria, D Rütsche, A Wang, H Liu… - Advanced …, 2023 - Wiley Online Library
The field of biomedical design and manufacturing has been rapidly evolving, with implants
and grafts featuring complex 3D design constraints and materials distributions. By …

[HTML][HTML] A multiscale topology optimisation framework for hollow spheres as cellular materials

BG Christoff, JHS Almeida Jr, EL Cardoso, V Tita - Engineering Structures, 2023 - Elsevier
Cellular materials can be designed to achieve mechanical properties with low weight.
Among them, hollow spheres have been investigated since modern manufacturing methods …