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Advanced Mechanical Design and Applications of Metamaterials

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Smart Materials".

Deadline for manuscript submissions: 20 January 2025 | Viewed by 1103

Special Issue Editors


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Guest Editor
School of Integrated Circuits, Huazhong University of Science and Technology, Wuhan, China
Interests: microwave metamaterials; metastructure; artificial intelligence; acoustic metamaterials; 3D printing; broadband microwave absorber

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Guest Editor Assistant
Department of Mechanical Engineering, University of Hong Kong, Hong Kong
Interests: microwave metamaterials; metastructure

Special Issue Information

Dear Colleagues,

Metamaterials have drawn tremendous attention in both fundamental scientific research and advanced engineering applications in the last two decades. Metamaterials have introduced novel concepts and exciting functionalities that are beyond the traditional constraints imposed by natural materials, including negative refractive index media, microwave perfect absorber, invisibility cloaking, phase gradient metasurface, etc., some of which have already been realized and applied in practical applications. Nowadays, metamaterials have been employed at the interfacial and structural levels as well. Multi-physical properties like mechanical and dynamic responses have been considered in the design strategies of multifunctional metamaterials. For instance, sound attenuation, microwave absorber, and energy transduction require additional mechanical properties, such as being lightweight, load-bearing, as well as having environmental resistance.

This Special Issue mainly focuses on the latest design trends of multifunctional metamaterials with enhanced mechanical performances. We aim to highlight state-of-the-art theories, mechanisms, configurations, and fabrication techniques in this field.

Dr. Tao Wang
Guest Editor

Dr. Sichao Qu
Guest Editor Assistant

Manuscript Submission Information

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Keywords

  • multifunction
  • mechanical metamaterials
  • mechanical properties
  • loading support
  • broadband absorber
  • low-density material
  • 3D printing
  • energy absorption
  • sound absorption

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Published Papers (1 paper)

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Research

20 pages, 7162 KiB  
Article
Homogenization of Thermal Properties in Metaplates
by David Faraci and Claudia Comi
Materials 2024, 17(18), 4557; https://doi.org/10.3390/ma17184557 - 17 Sep 2024
Viewed by 580
Abstract
Three-dimensional metamaterials endowed with two-dimensional in-plane periodicity exhibit peculiar thermoelastic behaviour when heated or cooled. By proper design of the unit cell, the equivalent thermal expansion coefficient can be programmed and can also reach negative values. The heterogeneity in the third direction of [...] Read more.
Three-dimensional metamaterials endowed with two-dimensional in-plane periodicity exhibit peculiar thermoelastic behaviour when heated or cooled. By proper design of the unit cell, the equivalent thermal expansion coefficient can be programmed and can also reach negative values. The heterogeneity in the third direction of such metamaterials also causes, in general, a thermal-induced deflection. The prediction of the equivalent thermal properties is important to design the metamaterial suitable for a specific application. Under the hypothesis of small thickness with respect to the global in-plane dimensions, we make use of asymptotic homogenization to describe the thermoelastic behaviour of these metamaterials as that of an equivalent homogenous plate. The method provides explicit expressions for the effective thermal properties, which allow for a cost-effective prediction of the thermoelastic response of these metaplates. Full article
(This article belongs to the Special Issue Advanced Mechanical Design and Applications of Metamaterials)
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