Journal
CURRENT OPINION IN SOLID STATE & MATERIALS SCIENCE
Volume 25, Issue 1, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.cossms.2020.100883
Keywords
Multifunctional structure; Intelligent structure; Biomimetic structure; Wave manipulation; Metamaterial
Funding
- National Natural Science Foundation of China [11702024, 11872113, 12072031]
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Metamaterials, utilizing unconventional properties achieved through microarchitectural designs, have become a research hotspot in electromagnetic, acoustic, mechanical, and physics fields. However, the challenge lies in integrating mechanical features and specific functions. The trend is towards incorporating multifunctional designs into single integrated structures, requiring mechanical-driven designs and structural level innovations for future advancements.
Metamaterials, with unconventional properties realized through various ingenious designs of microarchitectures, have become a recent research hotspot in the fields of electromagnetics, acoustics, mechanics, and physics. Since the integration of mechanical features and specific functions is still a challenge, the application of metamaterials has so far been limited. The research in relevant areas has shown a clear trend of incorporating the multifunctional design into a single integrated structure. Here, we review the latest advances in the design and fabrication of multifunctional structures based on metamaterials, covering three main aspects, i. e., the direct design of mechanical metamaterials and their multifunctional structures, the intelligent multifunctional structures with shape-shifting capabilities, the metamaterials-based design to achieve both the load bearing capability and other specific functions. We emphasize the important roles that the mechanics-driven designs play, as well as the mechanisms and other key aspects behind the multifunctional structures. The structure-level innovations could not only improve multifunctional features, but also pave the way to function fusion structures that allow the incorporation of 'conflicting' functions into a single structure.
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