Auxetic metamaterials for bone-implanted medical devices: recent advances and new perspectives

M Shirzad, A Zolfagharian, M Bodaghi… - European Journal of …, 2023 - Elsevier
Auxetic metamaterials and structures are characterized by their negative Poisson's ratio
meaning that they exhibit lateral expansion under tensile axial loads and densification under …

Expansion potential of auxetic prosthetic skin grafts: a review

V Gupta, G Singh, S Gupta… - Engineering Research …, 2023 - iopscience.iop.org
The expansion of conventional prosthetic skin grafts has been quantified to be very low and
insufficient for treating large and severe burn injuries with small amounts of available donor …

A reprogrammable mechanical metamaterial with origami functional-group transformation and ring reconfiguration

X Hu, T Tan, B Wang, Z Yan - Nature Communications, 2023 - nature.com
Recent advancements in reprogrammable metamaterials have enabled the development of
intelligent matters with variable special properties in situ. These metamaterials employ intra …

Bio-inspired auxetic mechanical metamaterials evolved from rotating squares unit

A Sorrentino, D Castagnetti, L Mizzi, A Spaggiari - Mechanics of Materials, 2022 - Elsevier
This work investigates the mechanical response of bio-inspired titanium mechanical
metamaterials with negative Poisson's ratio evolved from rotating squares unit. The systems …

Mechanical characteristics of a novel rotating star-rhombic auxetic structure with multi-plateau stages

N Li, S Liu, X Wu, J Wang, Y Han, X Zhang - Thin-Walled Structures, 2023 - Elsevier
Auxetic structures have attracted further attention owing to their outstanding designability
and mechanical properties. Designing innovative cellular structures with improved …

A novel strategy to design lattice structures with zero Poisson's ratio

BJ Sahariah, MJ Baishya, A Namdeo, P Khanikar - Engineering Structures, 2023 - Elsevier
Cellular metamaterials are man-made structures that have unusual mechanical properties.
Microlattice structures belong to a category of cellular metamaterials formed by periodic …

Deformation behaviors and energy absorption characteristics of a hollow re-entrant auxetic lattice metamaterial

S Zhou, H Liu, J Ma, X Yang, J Yang - Aerospace Science and Technology, 2023 - Elsevier
Designing innovative architected metamaterials with enhanced energy absorption is a long-
term pursuit to provide impact protection capacity for human beings and crucial structural …

Novel polyhedral mechanical metamaterial exhibiting negative Poisson's ratio

A Sorrentino, D Castagnetti - Smart Materials and Structures, 2023 - iopscience.iop.org
The work presents a novel polyhedral mechanical metamaterial based on rotating triangular
prisms connected by their corners, which possesses the ability to attain large values of …

Negative Poisson's ratio lattice for designing vertebral biomaterials

A Sorrentino, D Castagnetti - Mechanics of Advanced Materials …, 2022 - Taylor & Francis
This work designs and experimentally validates a novel bone-mimicking biomaterial for
human cancellous bone vertebral implants. The lattice architecture here proposed consists …

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 …