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Metamaterials: Design, Properties, and Applications

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

Deadline for manuscript submissions: 20 December 2025 | Viewed by 499

Special Issue Editor


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Guest Editor
1. School of Traffic & Transportation Engineering, Central South University, Changsha 410075 China
2. Department of Mechanical Engineering, National University of Singapore, Singapore 117575, Singapore
Interests: architected materials; lattice structures; mechanics of materials; multifunctional materials; additive manufacturing
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Special Issue Information

Dear Colleagues,

Metamaterials have garnered significant attention for their capacity to exhibit extraordinary properties that are unattainable in conventional materials. By strategically arranging unit cells and leveraging geometric intricacies, these engineered structures can deliver wide-ranging functionalities—from tunable mechanical strength and impact absorption to novel wave manipulation in acoustic and electromagnetic domains.

This Special Issue seeks to spotlight the latest breakthroughs in the design, characterization, and application of metamaterials and related architected structures. We invite submissions that present theoretical insights, computational models, experimental studies, and industrial case reports showcasing how careful structural engineering can unlock unprecedented capabilities. Whether it involves enhancing energy efficiency, enabling adaptive or programmable responses, or bridging fundamental science with real-world engineering challenges, we aim to gather cutting-edge research that will expand the horizons of this rapidly evolving field. We look forward to your contributions and to fostering a collaborative platform for innovation.

Dr. Zhendong Li
Guest Editor

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Keywords

  • architected structures
  • advanced composites
  • multi-physical applications
  • wave manipulation
  • programmable materials
  • topology optimization
  • bio-inspired design
  • additive manufacturing/3D printing
  • smart materials and systems

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Published Papers (1 paper)

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Research

19 pages, 19315 KiB  
Article
Fluid Flow and Heat Transfer Performances of Aluminum Alloy Lattices with Triply Periodic Minimal Surfaces
by Zhensen Liu, Zetian Gao, Mingqiu Dai, Bingke Song, Biqi Yang, Tao Zhang, Shuangyin Yuan, Gang Liu and Miao Zhao
Materials 2025, 18(7), 1407; https://doi.org/10.3390/ma18071407 - 22 Mar 2025
Viewed by 375
Abstract
Thermal protection systems play a pivotal role in astronautical engineering fields. However, traditional rectangular fin (RF) structures exhibit low thermo-fluid properties. Inspired by the minimal surfaces in nature, this study develops three types of triply periodic minimal surface (TPMS) lattices, namely, sheet primitive [...] Read more.
Thermal protection systems play a pivotal role in astronautical engineering fields. However, traditional rectangular fin (RF) structures exhibit low thermo-fluid properties. Inspired by the minimal surfaces in nature, this study develops three types of triply periodic minimal surface (TPMS) lattices, namely, sheet primitive (SP), network I-WP (NW), and sheet I-WP (SW) by using mathematical formulae. The TPMS lattices are fabricated by laser powder bed fusion using AlSi10Mg powder. A convective heat transfer simulation model of TPMS lattices is established and validated through experiments. The fluid flow characteristics, heat transfer characteristics, and overall heat transfer performance of the TPMS lattices are comprehensively investigated based on the simulation model. Results show that the relationship between pressure loss and flow velocity of the TPMS lattices satisfies the Darcy–Forchheimer law. Compared to traditional RF structures, the TPMS lattices exhibit a more uniform temperature distribution at the same flow rate, and the highest convective heat transfer coefficient is increased by approximately 96.62%. This is due to the complex internal structures of the TPMS lattices, which enhance the disturbance of the fluid flow and further improve the heat transfer coefficient. The overall thermal transfer index (α) of the TPMS lattices is higher than that of traditional RF structures with an order of αSP>αSW>αNW>αRF, which confirms the potential applications of TPMS lattices in thermal protection systems. Full article
(This article belongs to the Special Issue Metamaterials: Design, Properties, and Applications)
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