Results 21 to 30 of about 20,399 (241)
Transformable topological mechanical metamaterials [PDF]
Nature Communications, 2017 AbstractMechanical metamaterials are engineered materials whose structures give them novel mechanical properties, including negative Poisson’s ratios, negative compressibilities and phononic bandgaps. Of particular interest are systems near the point of mechanical instability, which recently have been shown to distribute force and motion in robust ways
D. Zeb Rocklin +3 more
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Compliant Metamaterials for Resonantly Enhanced Infrared Absorption Spectroscopy and Refractive Index Sensing [PDF]
, 2011 Metamaterials can be designed to operate at frequencies from the visible to the mid-IR, making these structures useful for both refractive index sensing and surface-enhanced infrared absorption spectroscopy.
Atwater, Harry A. +3 more
core +1 more source
Mechanical design and multifunctional applications of chiral mechanical metamaterials: A review
Materials & Design, 2019 Rational design of artificial micro-structured metamaterials with advanced mechanical and physical properties that are not accessible in nature materials is challenging and important.
Wenwang Wu +5 more
doaj +1 more source
A three step recipe for designing auxetic materials on demand
Communications Physics, 2022 Auxetics are an unusual family of materials that, for instance, when stretched in a particular direction will exhibit an expansion of the dimensions that are perpendicular to the applied stress; however, despite many known examples of auxectics there is ...
Daniel Acuna +5 more
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Architectural Design and Additive Manufacturing of Mechanical Metamaterials: A Review
Engineering, 2022 Mechanical metamaterials can be defined as a class of architected materials that exhibit unprecedented mechanical properties derived from designed artificial architectures rather than their constituent materials.
Chenxi Lu +7 more
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First evidence of non-locality in real band-gap metamaterials: determining parameters in the relaxed micromorphic model [PDF]
, 2016 In this paper we propose the first estimate of some elastic parameters of the relaxed micromorphic model on the basis of real experiments of transmission of longitudinal plane waves across an interface separating a classical Cauchy material (steel plate)
Barbagallo, Gabriele +4 more
core +2 more sources
Flexible mechanical metamaterials [PDF]
Nature Reviews Materials, 2017 Mechanical metamaterials exhibit properties and functionalities that cannot be realized in conventional materials. Originally, the field focused on achieving unusual (zero or negative) values for familiar mechanical parameters, such as density, Poisson's ratio or compressibility, but more recently, new classes of metamaterials — including shape ...
Bertoldi, K. +3 more
openaire +3 more sources
Nature Communications, 2023 Recent advancements in reprogrammable metamaterials have enabled the development of intelligent matters with variable special properties in situ.
Xinyu Hu +3 more
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Oligomodal metamaterials with multifunctional mechanics [PDF]
Proceedings of the National Academy of Sciences, 2021 Significance Mechanical metamaterials are man-made materials with extraordinary properties that come from their geometrical structure rather than their chemical composition. For instance, they can be engineered to be extremely light and stiff; to shrink sideways when compressed, instead of expanding; or to exhibit programmable shape changes ...
Bossart, Aleksi +3 more
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Multi-step self-guided pathways for shape-changing metamaterials [PDF]
, 2018 Multi-step pathways, constituted of a sequence of reconfigurations, are central to a wide variety of natural and man-made systems. Such pathways autonomously execute in self-guided processes such as protein folding and self-assembly, but require external
Alberico Sabbadini +34 more
core +2 more sources