[HTML][HTML] Additive manufacturing of re-entrant structures: Well-tailored structures, unique properties, modelling approaches and real applications

WT Nugroho, Y Dong, A Pramanik, MCP Selvan… - Additive …, 2023 - Elsevier
Re-entrant (RE) structures arise from unique construction enabling them to yield a negative
Poisson's ratio (NPR) under tension or compression loading, which is required in various …

A novel buckling-restrained brace with auxetic perforated core: Experimental and numerical studies

Y Zhang, X Ren, XY Zhang, TT Huang, L Sun… - Engineering …, 2021 - Elsevier
Auxetic materials could exhibit desirable mechanical properties, eg, fracture resistance,
shear resistance and energy dissipation due to their unique deformation characteristics …

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 …

3D printed auxetic nasopharyngeal swabs for COVID-19 sample collection

A Arjunan, S Zahid, A Baroutaji, J Robinson - Journal of the Mechanical …, 2021 - Elsevier
The COVID-19 pandemic has resulted in worldwide shortages of nasopharyngeal swabs
required for sample collection. While the shortages are becoming acute due to supply chain …

[HTML][HTML] Mechanical performance of additively manufactured cobalt-chromium-molybdenum auxetic meta-biomaterial bone scaffolds

CT Wanniarachchi, A Arjunan, A Baroutaji… - journal of the mechanical …, 2022 - Elsevier
Auxetic meta-biomaterials offer unconventional strain behaviour owing to their negative
Poisson's ratio (− υ) leading to deformation modes and mechanical properties different to …

[HTML][HTML] Experimental and computational evaluation of tensile properties of additively manufactured hexa-and tetrachiral auxetic cellular structures

N Novak, L Biasetto, P Rebesan, F Zanini… - Additive …, 2021 - Elsevier
The auxetic cellular structures with two different chiral geometries (tetrachiral and
hexachiral) were fabricated using laser powder bed fusion (LPBF) technology from two …

Additively manufactured AlSi10Mg inherently stable thin and thick-walled lattice with negative Poisson's ratio

A Arjunan, M Singh, A Baroutaji, C Wang - Composite Structures, 2020 - Elsevier
Literature on the mechanical performance of additively manufactured (AM) negative
Poisson's ratio (-υ) structures has been primarily focused on beam-based re-entrant …

Extended finite element simulation on Tensile, fracture toughness and fatigue crack growth behaviour of additively manufactured Ti6Al4V alloy

R Verma, P Kumar, R Jayaganthan, H Pathak - Theoretical and Applied …, 2022 - Elsevier
The mechanical properties such as tensile, fracture toughness, and fatigue properties of
Additive Manufacturing (AM) fabricated Ti6Al4V alloy is critically crucial for structural …

Effect of weld reinforcement on tensile and fatigue properties of 5083 aluminum metal inert gas (MIG) welded joint: Experiments and numerical simulations

M Ma, R Lai, J Qin, B Wang, H Liu, D Yi - International Journal of Fatigue, 2021 - Elsevier
The weld reinforcement has a strong impact on mechanical properties of MIG welded joints.
This paper investigates the effect of weld reinforcement on tensile, high cycle fatigue and …

[HTML][HTML] Fatigue behaviour of re-entrant auxetic structures made of the aluminium alloy AA7075-T651

B Nečemer, T Vuherer, S Glodež, J Kramberger - Thin-Walled Structures, 2022 - Elsevier
An investigation of the fatigue behaviour of the re-entrant auxetic structures made of the
aluminium alloy AA 7075-T651 is presented in this study. The analysed auxetic structures …