Results 31 to 40 of about 20,399 (241)
Conformal elasticity of mechanism-based metamaterials [PDF]
Nature Communications, 2022 AbstractDeformations of conventional solids are described via elasticity, a classical field theory whose form is constrained by translational and rotational symmetries. However, flexible metamaterials often contain an additional approximate symmetry due to the presence of a designer soft strain pathway.
Michael Czajkowski +3 more
openaire +8 more sources
Recent Progress in Active Mechanical Metamaterials and Construction Principles
Advanced Science, 2022 Active mechanical metamaterials (AMMs) (or smart mechanical metamaterials) that combine the configurations of mechanical metamaterials and the active control of stimuli‐responsive materials have been widely investigated in recent decades.
Jixiang Qi +10 more
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Controllable inverse design of auxetic metamaterials using deep learning
Materials & Design, 2021 As typical mechanical metamaterials with negative Poisson’s ratios, auxetic metamaterials exhibit counterintuitive auxetic behaviors that are highly dependent on their geometric arrangements.
Xiaoyang Zheng +4 more
doaj +1 more source
, 2021 By mimicking the geometrical relation of nano-twin crystals, we propose novel architected twin mechanical metamaterials (TMMs), which can impede local shearing band formation under external loading, thus avoiding global catastrophic failure. The effects of twin-space and twin angle on the mechanical performance of TMMs were also explored, such as ...
Wu, Wenwang +4 more
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Materials & Design, 2020 Multi-stable mechanical metamaterials with unprecedented mechanical/physical properties have attracted great interests due to their functional applications for advanced materials and devices. However, the original curved/tilted bistable snapping segments
Hang Yang, Li Ma
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The extreme mechanics of viscoelastic metamaterials
APL Materials, 2022 Mechanical metamaterials made of flexible building blocks can exhibit a plethora of extreme mechanical responses, such as negative elastic constants, shape-changes, programmability, and memory.
David M. J. Dykstra +2 more
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Macroscopic description of microscopically strongly inhomogenous systems: A mathematical basis for the synthesis of higher gradients metamaterials [PDF]
, 2015 We consider the time evolution of a one dimensional $n$-gradient continuum. Our aim is to construct and analyze discrete approximations in terms of physically realizable mechanical systems, called microscopic because they are living on a smaller space ...
Carcaterra, Antonio +3 more
core +3 more sources
Highly Strained Compliant Optical Metamaterials with Large Frequency Tunability [PDF]
, 2010 Metamaterial designs are typically limited to operation over a narrow bandwidth dictated by the resonant line width. Here we report a compliant metamaterial with tunability of Δλ ~ 400 nm, greater than the resonant line width at optical frequencies ...
Atwater, Harry A. +4 more
core +2 more sources
Fabrication of three-dimensional suspended, interlayered and hierarchical nanostructures by accuracy-improved electron beam lithography overlay [PDF]
, 2019 Nanofabrication techniques are essential for exploring nanoscience and many closely related research fields such as materials, electronics, optics and photonics.
Gwanho Yoon +5 more
core +1 more source
Materials & Design, 2021 Tuning and programming the multiphysical properties of advanced materials are of critical importance for developing the next generation of adaptable multifunctional metamaterials.
Jun Cai, Abdolhamid Akbarzadeh
doaj +1 more source