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3D printing of active mechanical metamaterials: A critical review
,
Rehan Umer,
Mahdi Bodaghi
Materials & Design, Volume: 246, Start page: 113305
Swansea University Author:
Mokarram Hossain
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© 2024 The Author(s). This is an open access article under the CC BY license.
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DOI (Published version): 10.1016/j.matdes.2024.113305
Abstract
The emergence of mechanical metamaterials from 4D printing has paved the way for developing advanced hierarchical structures with superior multifunctionalities. In particular, 4D-printed mechanical metamaterials exhibit extraordinary mechanical performance by integrating multiphysics stimuli with ad...
| Published in: | Materials & Design |
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| ISSN: | 0264-1275 |
| Published: |
Elsevier BV
2024
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| Online Access: |
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| URI: | https://cronfa.swan.ac.uk/Record/cronfa67863 |
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| Abstract: |
The emergence of mechanical metamaterials from 4D printing has paved the way for developing advanced hierarchical structures with superior multifunctionalities. In particular, 4D-printed mechanical metamaterials exhibit extraordinary mechanical performance by integrating multiphysics stimuli with advanced structures when actuated by external factors, thereby altering their shapes, properties, and functionalities. This critical review offers readers a comprehensive overview of the rapidly growing 4D printing technology for developing novel mechanical metamaterials. It provides essential information about the multifunctionalities of 4D-printed mechanical metamaterials, including energy absorption and shape-morphing behavior in response to physical, chemical, or mechanical stimuli. These capabilities are key to developing smart and intelligent structures for multifunctional applications such as biomedical, photonics, acoustics, energy storage, and thermal insulation. The primary focus of this review is to describe the structural and functional applications of mechanical metamaterials developed through 4D printing. This technology leverages the shape-shifting functions of smart materials in applications such as micro-grippers, soft robots, biomedical devices, and self-deployable structures. Additionally, the review addresses current progress and challenges in the field of 4D-printed mechanical metamaterials. In conclusion, recent developments in 4D-printed mechanical metamaterials could establish a new paradigm for applications in engineering and science. |
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| Keywords: |
3D/4D printing; Mechanical metamaterials; Deployable structures; Smart grippers; Biomedical devices |
| College: |
Faculty of Science and Engineering |
| Funders: |
MYK and RU would like to acknowledge the support of Khalifa University of Science and Technology (KU), Abu Dhabi, United Arab Emirates.). MB would also like to acknowlege the support by the RAEng/Leverhulme Trust Research Fellowship (LTRF-2324-20-129) and by the UK Engineering and Physical Sciences Research Council (EPSRC) (grant no. EP/Y011457/1). |
| Start Page: |
113305 |