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Recent Progress and Future Directions of Thermal and Mechanical Metamaterials

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Materials Science and Engineering".

Deadline for manuscript submissions: closed (20 May 2025) | Viewed by 622

Special Issue Editors


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Guest Editor
National Key Laboratory of Science and Technology on Advanced Composites in Special Environments, Harbin Institute of Technology, Harbin 150001, China
Interests: thermal metamaterials; mechanical metamaterials; composite materials and structures; 2D materials

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Guest Editor
Institute of Physics, University of Zielona Gora, 65-069 Zielona Gora, Poland
Interests: mechanical metamaterials; auxetics; negative stiffness; microfabrication; active metamaterials

Special Issue Information

Dear Colleagues,

Metamaterials are artificial composite materials/structures with extraordinary properties that are not occupied by bulk natural materials. Via deliberate structural design, various exotic physical properties have been realized in the thermal field, such as cloaking, camouflage, radiative cooling, topology states, and in the mechanical field, such as ultralight weight, high stiffness/strength/energy absorption, auxetics, nonreciprocity, etc. In recent years, research has been extended to coupled physical phenomena where one physical effect acts as the driving force for another, resulting in smart designs such as thermal-responsive mechanical metamaterials. The field is embracing novel materials and functionalities such as wave manipulation, vibration suppression and smart materials. This Special Issue aims to present recent advances related to metamaterials in the thermal and mechanical fields. The scope of this Special Issue includes, but is not limited to, the following topics: recent developments and achievements in the design, simulation and modelling of newly emergent thermal/mechanical metamaterials and functionalities, as well as their implementation in engineering.

Dr. Qingxiang Ji
Prof. Dr. Krzysztof K. Dudek
Guest Editors

Manuscript Submission Information

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Keywords

  • thermal metamaterials
  • mechanical metamaterials
  • thermo-mechanical behavior
  • stimuli responsive, smart materials and structures
  • nonlinearity
  • control of wave diffusion
  • wave manipulation

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Published Papers (1 paper)

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Research

16 pages, 4848 KiB  
Article
A Novel Hierarchical Multi-Stable Cylindrical Structure with Superior Energy Trapping
by Yu Wang, Maosheng Huang, Qiang Tao, Xiaoyu Chen, Jirong Wang and Qingxiang Ji
Appl. Sci. 2025, 15(14), 7748; https://doi.org/10.3390/app15147748 - 10 Jul 2025
Abstract
Multi-stable mechanical metamaterials based on the snap-through behavior of cosine beams have been shown to have significant potential in the field of capacity absorption due to their advantages such as reusability and structural simplicity. However, traditional multi-stable metamaterials have exhibited limitations in both [...] Read more.
Multi-stable mechanical metamaterials based on the snap-through behavior of cosine beams have been shown to have significant potential in the field of capacity absorption due to their advantages such as reusability and structural simplicity. However, traditional multi-stable metamaterials have exhibited limitations in both energy absorption and trapping ability. Inspired by the bionic multilevel structure, a novel hierarchical multi-stable cylindrical structure (HMCS) based on cosine curved beams is proposed. We investigated the snap-through behaviors and energy absorption capacity of the HMCS. Both finite element simulation results and experimental results show that the hierarchical multi-stable structure exhibits excellent specific energy absorption and energy trapping capabilities compared to traditional multi-stable cylindrical structures (TMCSs). Furthermore, by analyzing the effect of height h and thickness t on the snap-through behavior of the structure, the key parameters determining the mono-stable or bi-stable response are identified. In addition, a gradient-based study of the structure reveals the dominant role of stiffness in the snap-through behavior of multilayer structures. This work provides insights into the application of multi-stable cylindrical structures in energy trapping and absorption and offers a new strategy for designing high-efficiency energy-absorbing metamaterials. Full article
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