A Novel Twofold Symmetry Architected Metamaterials with High Compressibility and Negative Poisson's Ratio
Sign Up to like & getrecommendations! Published in 2021 at "Advanced Engineering Materials"
DOI: 10.1002/adem.202001041
Abstract: This study presents the compression response of additively manufactured novel soft porous structures with architected microstructure. Six porous additively manufactured architected periodic structures with two‐fold and four‐fold symmetry were considered. The effect of pore shape… read more here.
Keywords: symmetry; negative poisson; fold symmetry; poisson ratio ... See more keywords
Bioinspired Multifunctional Cellular Plastics with a Negative Poisson's Ratio for High-Energy Dissipation.
Sign Up to like & getrecommendations! Published in 2020 at "Advanced materials"
DOI: 10.1002/adma.202001222
Abstract: Cellular plastics have been widely used in transportation, aerospace, and personal safety applications owing to their excellent mechanical, thermal, and acoustic properties. It is highly desirable to impart them with a complex porous structure and… read more here.
Keywords: poisson ratio; energy dissipation; negative poisson; cellular plastics ... See more keywords
Strong re-entrant cellular structures with negative Poisson’s ratio
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Materials Science"
DOI: 10.1007/s10853-017-1809-8
Abstract: In this paper, two new 2D re-entrant topologies with negative Poisson’s ratio are presented and their mechanical properties (Poisson’s ratio and energy absorption capacity) are studied using finite element method as a function of geometric… read more here.
Keywords: topology; model; negative poisson; poisson ratio ... See more keywords
3D-printed short carbon fibre reinforced perforated structures with negative Poisson's ratios: Mechanisms and design
Sign Up to like & getrecommendations! Published in 2020 at "Composite Structures"
DOI: 10.1016/j.compstruct.2020.111859
Abstract: Abstract This study investigates the compressive responses and mechanisms of perforated structures made of pure nylon polymer (NP) and short carbon fibre reinforced nylon polymer (SCF/NP) with negative Poisson's ratio (NPR), and proposes an improved… read more here.
Keywords: perforated structures; short carbon; fibre reinforced; poisson ratios ... See more keywords
Analytical model of Li-ion diffusion-induced stress in nanowire and negative Poisson's ratio electrode under different operations
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Mechanical Sciences"
DOI: 10.1016/j.ijmecsci.2018.04.013
Abstract: Abstract Diffusion-induced stress is one of the critical challenges in developing lithium ion battery technologies, which may lead to the huge volume expansion, nucleation of cracks, electrode mechanical degradation and even pulverization. It has been… read more here.
Keywords: induced stress; poisson ratio; negative poisson; diffusion induced ... See more keywords
The in-plane stretching and compression mechanics of Negative Poisson’s ratio structures: Concave hexagon, star shape, and their combination
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2020.157840
Abstract: Abstract Negative Poisson's ratio structure is one of the international research hotspots, but there are still few reports on negative Poisson's ratio combination structure. In this paper, two single cell structures (concave hexagonal structure and… read more here.
Keywords: poisson ratio; negative poisson; mechanics; structure ... See more keywords
Highly Negative Poisson's Ratio in Thermally Conductive Covalent Organic Frameworks.
Sign Up to like & getrecommendations! Published in 2022 at "ACS nano"
DOI: 10.1021/acsnano.1c09833
Abstract: The prospect of combining two-dimensional materials in vertical stacks has created a new paradigm for materials scientists and engineers. Herein, we show that stacks of two-dimensional covalent organic frameworks are endowed with a host of… read more here.
Keywords: covalent; negative poisson; covalent organic; two dimensional ... See more keywords
A Novel Hyperbolic Two-Dimensional Carbon Material with an In-Plane Negative Poisson’s Ratio Behavior and Low-Gap Semiconductor Characteristics
Sign Up to like & getrecommendations! Published in 2020 at "ACS Omega"
DOI: 10.1021/acsomega.0c00182
Abstract: Poisson’s ratio is one of the fundamental features of materials, reflecting the transverse strain response to the applied certain axial strain. The materials with a negative Poisson’s ratio, also known as auxetic materials, are rare… read more here.
Keywords: novel hyperbolic; hyperbolic two; poisson ratio; poisson ... See more keywords
Two-dimensional Si2S with a negative Poisson's ratio and promising optoelectronic properties.
Sign Up to like & getrecommendations! Published in 2022 at "Nanoscale"
DOI: 10.1039/d2nr01465c
Abstract: Two-dimensional materials with a negative Poisson's ratio, known as auxetic materials, are of great interest owing to their improved mechanical properties, which enable plenty of advanced nanomechanical devices. Here, by first-principles swarm-intelligence structural search methods,… read more here.
Keywords: two dimensional; poisson ratio; negative poisson; monolayer ... See more keywords
Nonlinear bending of temperature-dependent FG-CNTRC laminated plates with negative Poisson’s ratio
Sign Up to like & getrecommendations! Published in 2020 at "Mechanics of Advanced Materials and Structures"
DOI: 10.1080/15376494.2020.1716412
Abstract: Abstract The nonlinear bending behavior of nanocomposite laminated plates with negative Poisson’s ratios (NPR) is reported. Each ply of the plate is made of carbon nanotube-reinforced composites (CNTRCs) and may have different CNT volume fractions… read more here.
Keywords: laminated plates; cntrc laminated; temperature dependent; nonlinear bending ... See more keywords
Accessing negative Poisson’s ratio of graphene by machine learning interatomic potentials
Sign Up to like & getrecommendations! Published in 2022 at "Nanotechnology"
DOI: 10.1088/1361-6528/ac5cfd
Abstract: The negative Poisson’s ratio (NPR) is a novel property of materials, which enhances the mechanical feature and creates a wide range of application prospects in lots of fields, such as aerospace, electronics, medicine, etc. Fundamental… read more here.
Keywords: graphene; negative poisson; machine learning; poisson ratio ... See more keywords