On exploration of directional extreme mechanical attributes and energy absorption of bending-dominated and buckling-induced negative Poisson’s ratio metamaterials

Viet, N.V.; Zaki, W.

doi:10.1016/j.compstruct.2024.118460

Composite Structures

2024

DOI: 10.1016/j.compstruct.2024.118460

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On exploration of directional extreme mechanical attributes and energy absorption of bending-dominated and buckling-induced negative Poisson’s ratio metamaterials

N.V. Viet,

W. Zaki

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Cited by 2 publications

References 34 publications

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Auxeticity of monolayers induced by superimposed effect of hinged hexagons and tetragons with various bonding characteristics

Li,

Zheng,

Zhong

et al. 2024

Comput Mech

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Auxeticity of monolayers induced by superimposed effect of hinged hexagons and tetragons with various bonding characteristics

Li,

Zheng,

Zhong

et al. 2024

Comput Mech

View full text Add to dashboard Cite

Optimizing 3D-Printed Auxetic Structures for Tensile Performance: Taguchi Method Application on Cell Size and Shape Orientation

Pehlivan

2024

İmalat Teknolojileri Ve Uygulamaları

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Auxetic structures are characterized by their unique mechanical property of exhibiting a negative Poisson's ratio, which means they expand laterally when stretched and contract laterally when compressed, contrary to conventional materials. This distinctive behavior enables auxetic materials to possess enhanced mechanical properties such as improved energy absorption, shear resistance, and indentation resistance. This study investigates the effect of cell size and shape orientation on the tension mechanical properties of auxetic structures. For this reason, a total of nine different specimens were produced using three different cell size (2-cell, 3-cell, and 4-cell) and three different shape orientations (0º, 45º, 90º) using a masked stereolithography (MSLA) printer, and their tension mechanical properties were investigated. The best cell size and shape orientation were determined by Taguchi's maximum signal-to-noise ratio (S/N) analysis, and the data was analyzed with the Analysis of Variance (ANOVA) test. The results show that auxetic structure cell size and shape orientation optimization are critical for achieving the required mechanical characteristics in 3D printed parts for diverse applications. This research contributes to optimizing MSLA 3D printing for improved mechanical performance and to the field of additive manufacturing.

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On exploration of directional extreme mechanical attributes and energy absorption of bending-dominated and buckling-induced negative Poisson’s ratio metamaterials

Cited by 2 publications

References 34 publications

Auxeticity of monolayers induced by superimposed effect of hinged hexagons and tetragons with various bonding characteristics

Auxeticity of monolayers induced by superimposed effect of hinged hexagons and tetragons with various bonding characteristics

Optimizing 3D-Printed Auxetic Structures for Tensile Performance: Taguchi Method Application on Cell Size and Shape Orientation

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