Enhanced energy absorption performance of 3D printed 2D auxetic lattices

Choudhry, Niranjan Kumar; Panda, Biranchi; Kumar, S.

doi:10.1016/j.tws.2023.110650

Cited by 23 publications

(2 citation statements)

References 47 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…3D printing proves invaluable in the manufacturing of auxetic tubular structures [61][62][63][64]. To craft these structures using 3D printing, the process commences with the creation of a 3D model through CAD software.…”

Section: Manufacturing Of Auxetic Tubular Structures 221 3d Printingmentioning

confidence: 99%

Potential and applications of auxetic tubular: a review

Ramezani,

Rahmani

2024

Funct. Compos. Struct.

View full text Add to dashboard Cite

Auxetic materials, possessing a negative poisson's ratio, can be arranged in various geometric configurations, such as tubular structures. Unlike conventional materials, which contract in lateral dimensions when stretched longitudinally, auxetic tubular expands in response to applied forces. This review article amalgamates the latest experimental data and insights from preceding scholarly works, offering a detailed analysis of the structural design, fabrication processes, and mechanical characteristics of auxetic tubular structures. The review encompasses an analysis of their tensile properties, comparative evaluations with different materials, impact resistance, enhanced bending, and flexibility. Furthermore, the article explores the wide-ranging applications of auxetic tubular in diverse sectors such as automobile manufacturing, aerospace, medicine, and textiles. Additionally, investigated not only new suggestions and future considerations for the advancement of these materials and structures but also a rigorous examination of the forthcoming and new challenges. This multifaceted approach distinguishes it from prior studies within the same scientific domain.

show abstract

Section: Manufacturing Of Auxetic Tubular Structures 221 3d Printingmentioning

confidence: 99%

Potential and applications of auxetic tubular: a review

Ramezani,

Rahmani

2024

Funct. Compos. Struct.

View full text Add to dashboard Cite

show abstract

“…Liu et al [63] proposed a bi-material triangle re-entrant honeycomb with tunable performance, and studied the bandgap tunability by coupling the coefficient of thermal expansion with negative Poisson's ratio function. On the one hand, the stress-strain curves of negative Poisson's ratio structures had a longer stress plateau stage [64][65][66], better energy absorption [67][68][69], better buffering effect [70], and higher stiffness [71] after compaction. On the other hand, it also has great development potential in the study of acoustic bandgap properties.…”

Section: Introductionmentioning

confidence: 99%

Auxetic hybrid metamaterial with tunable elastic wave bandgap

Chen,

Tao,

Luo

et al. 2024

Smart Mater. Struct.

View full text Add to dashboard Cite

Auxetic metamaterials have shown good stability and uniform deformation capabilities against influences (vibration, temperature change, load change), making them significant in maintaining and adjusting the bandgap of phonon crystals. The low-frequency and broadband are the important goals of phonon crystals. For most traditional re-entrant honeycomb structures (T-RHS), the bandgap range is narrow and tunability is poor. Here, an auxetic hybrid structure with tunable acoustic bandgap (AHS-T) consisting of periodic mass inclusions integrated with traditional re-entrant honeycomb and chiral hybrid is proposed. Aiming at investigating the tunability of the bandgap in the low-frequency range. Compared with T-RHS, the bandgap real-time adjustment and wider bandwidth of the AHS-T be realized during compression and tension. The numerical results show that the bandgap of the AHS-T can be flexibly tailored by reasonably adjusting the strain and geometrical configurations of AHS-T. The bandwidth of AHS-T can be increased to 87.1% when the bottom diameter and column height H of the scatterer are changed reasonably. Moreover, the deformation behavior of auxetic material has an auxiliary effect on expanding the bandwidth. Compared with the structure which is not subjected to load, the adjustable amplitude of the bandgap is 41%. The findings of this work provide a design idea for manipulating elastic waves in dynamic environment.

show abstract