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Li X, Chua JW, Yu X, Li Z, Zhao M, Wang Z, Zhai W. 3D-Printed Lattice Structures for Sound Absorption: Current Progress, Mechanisms and Models, Structural-Property Relationships, and Future Outlook. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2305232. [PMID: 37997188 PMCID: PMC10939082 DOI: 10.1002/advs.202305232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 10/02/2023] [Indexed: 11/25/2023]
Abstract
The reduction of noises, achieved through absorption, is of paramount importance to the well-being of both humans and machines. Lattice structures, defined as architectured porous solids arranged in repeating patterns, are emerging as advanced sound-absorbing materials. Their immense design freedom allows for customizable pore morphology and interconnectivity, enabling the design of specific absorption properties. Thus far, the sound absorption performance of various types of lattice structures are studied and they demonstrated favorable properties compared to conventional materials. Herein, this review gives a thorough overview on the current research status, and characterizations for lattice structures in terms of acoustics is proposed. Till date, there are four main sound absorption mechanisms associated with lattice structures. Despite their complexity, lattice structures can be accurately modelled using acoustical impedance models that focus on critical acoustical geometries. Four defining features: morphology, relative density, cell size, and number of cells, have significant influences on the acoustical geometries and hence sound wave dissipation within the lattice. Drawing upon their structural-property relationships, a classification of lattice structures into three distinct types in terms of acoustics is proposed. It is proposed that future attentions can be placed on new design concepts, advanced materials selections, and multifunctionalities.
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Affiliation(s)
- Xinwei Li
- Faculty of Science, Agriculture, and EngineeringNewcastle UniversitySingapore567739Singapore
| | - Jun Wei Chua
- Department of Mechanical EngineeringNational University of SingaporeSingapore117575Singapore
| | - Xiang Yu
- Department of Mechanical EngineeringThe Hong Kong Polytechnic UniversityHong KongHong Kong SAR999077China
| | - Zhendong Li
- Department of Mechanical EngineeringNational University of SingaporeSingapore117575Singapore
- School of Traffic & Transportation EngineeringCentral South UniversityChangsha410017P. R. China
| | - Miao Zhao
- Department of Mechanical EngineeringNational University of SingaporeSingapore117575Singapore
| | - Zhonggang Wang
- School of Traffic & Transportation EngineeringCentral South UniversityChangsha410017P. R. China
| | - Wei Zhai
- Department of Mechanical EngineeringNational University of SingaporeSingapore117575Singapore
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Li L, Zhou Y, Gao Y, Feng X, Zhang F, Li W, Zhu B, Tian Z, Fan P, Zhong M, Niu H, Zhao S, Wei X, Zhu J, Wu H. Large-scale assembly of isotropic nanofiber aerogels based on columnar-equiaxed crystal transition. Nat Commun 2023; 14:5410. [PMID: 37670012 PMCID: PMC10480443 DOI: 10.1038/s41467-023-41087-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Accepted: 08/17/2023] [Indexed: 09/07/2023] Open
Abstract
Ice-templating technology holds great potential to construct industrial porous materials from nanometers to the macroscopic scale for tailoring thermal, electronic, or acoustic transport. Herein, we describe a general ice-templating technology through freezing the material on a rotating cryogenic drum surface, crushing it, and then re-casting the nanofiber slurry. Through decoupling the ice nucleation and growth processes, we achieved the columnar-equiaxed crystal transition in the freezing procedure. The highly random stacking and integrating of equiaxed ice crystals can organize nanofibers into thousands of repeating microscale units with a tortuous channel topology. Owing to the spatially well-defined isotropic structure, the obtained Al2O3·SiO2 nanofiber aerogels exhibit ultralow thermal conductivity, superelasticity, good damage tolerance, and fatigue resistance. These features, together with their natural stability up to 1200 °C, make them highly robust for thermal insulation under extreme thermomechanical environments. Cascading thermal runaway propagation in a high-capacity lithium-ion battery module consisting of LiNi0.8Co0.1Mn0.1O2 cathode, with ultrahigh thermal shock power of 215 kW, can be completely prevented by a thin nanofiber aerogel layer. These findings not only establish a general production route for nanomaterial assemblies that is conventionally challenging, but also demonstrate a high-energy-density battery module configuration with a high safety standard that is critical for practical applications.
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Affiliation(s)
- Lei Li
- State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, 100084, Beijing, China
- National Engineering Research Center of Electric Vehicles, Beijing Institute of Technology, 100081, Beijing, China
| | - Yiqian Zhou
- State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, 100084, Beijing, China
| | - Yang Gao
- State Key Laboratory for Turbulence and Complex System, Department of Mechanics and Engineering Science, College of Engineering, Beijing Innovation Center for Engineering Science and Advanced Technology, Peking University, 100871, Beijing, China
| | - Xuning Feng
- State Key Laboratory of Automotive Safety and Energy, Tsinghua University, 100084, Beijing, China
| | - Fangshu Zhang
- State Key Laboratory of Automotive Safety and Energy, Tsinghua University, 100084, Beijing, China
| | - Weiwei Li
- School of Chemistry and Chemical Engineering, North University of China, Taiyuan, 030051, China.
| | - Bin Zhu
- National Laboratory of Solid State Microstructures, College of Engineering and Applied Sciences, Jiangsu Key Laboratory of Artificial Functional Materials and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210008, China
| | - Ze Tian
- State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, 100084, Beijing, China
| | - Peixun Fan
- State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, 100084, Beijing, China
| | - Minlin Zhong
- State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, 100084, Beijing, China
| | - Huichang Niu
- Guangdong Huitian Aerospace Technology Co., Ltd, Guangzhou, 510006, China
| | - Shanyu Zhao
- Laboratory for Building Energy Materials and Components, Swiss Federal Laboratories for Materials Science and Technology, Empa, 8600, Dübendorf, Switzerland
| | - Xiaoding Wei
- State Key Laboratory for Turbulence and Complex System, Department of Mechanics and Engineering Science, College of Engineering, Beijing Innovation Center for Engineering Science and Advanced Technology, Peking University, 100871, Beijing, China.
| | - Jia Zhu
- National Laboratory of Solid State Microstructures, College of Engineering and Applied Sciences, Jiangsu Key Laboratory of Artificial Functional Materials and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210008, China.
| | - Hui Wu
- State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, 100084, Beijing, China.
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Atinafu DG, Yun BY, Kim YU, Kim S. Nanopolyhybrids: Materials, Engineering Designs, and Advances in Thermal Management. SMALL METHODS 2023; 7:e2201515. [PMID: 36855164 DOI: 10.1002/smtd.202201515] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 02/10/2023] [Indexed: 06/09/2023]
Abstract
The fundamental requirements for thermal comfort along with the unbalanced growth in the energy demand and consumption worldwide have triggered the development and innovation of advanced materials for high thermal-management capabilities. However, continuous development remains a significant challenge in designing thermally robust materials for the efficient thermal management of industrial devices and manufacturing technologies. The notable achievements thus far in nanopolyhybrid design technologies include multiresponsive energy harvesting/conversion (e.g., light, magnetic, and electric), thermoregulation (including microclimate), energy saving in construction, as well as the miniaturization, integration, and intelligentization of electronic systems. These are achieved by integrating nanomaterials and polymers with desired engineering strategies. Herein, fundamental design approaches that consider diverse nanomaterials and the properties of nanopolyhybrids are introduced, and the emerging applications of hybrid composites such as personal and electronic thermal management and advanced medical applications are highlighted. Finally, current challenges and outlook for future trends and prospects are summarized to develop nanopolyhybrid materials.
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Affiliation(s)
- Dimberu G Atinafu
- Department of Architecture and Architectural Engineering, Yonsei University, Seoul, 03722, Republic of Korea
| | - Beom Yeol Yun
- Department of Architecture and Architectural Engineering, Yonsei University, Seoul, 03722, Republic of Korea
| | - Young Uk Kim
- Department of Architecture and Architectural Engineering, Yonsei University, Seoul, 03722, Republic of Korea
| | - Sumin Kim
- Department of Architecture and Architectural Engineering, Yonsei University, Seoul, 03722, Republic of Korea
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Cui J, Liu F, Lu Z, Feng S, Liang C, Sun Y, Cui J, Zhang B. Repeatedly Recyclable 3D Printing Catalyst-Free Dynamic Thermosetting Photopolymers. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2211417. [PMID: 36921350 DOI: 10.1002/adma.202211417] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 02/27/2023] [Indexed: 05/19/2023]
Abstract
Photo-curing 3D printing technology has promoted the advanced manufacturing in various fields, but has exacerbated the environmental crisis by the demand for the chemically cross-linked thermosetting photopolymers. Here, the authors report a generic strategy to develop catalyst-free dynamic thermosetting photopolymers, based on photopolymerization and transesterification, that can enable users to realize repeatable 3D printing, providing a practical solution to the environmental challenges. That the β-carbonyl group adjacent to the ester group greatly accelerates the rate of transesterification is demonstrated. The generated resins from the immobilization of the catalyst-free reversible bonds into the photopolymers leads to a dynamic covalently crosslinked network structure upon UV based 3D printing, which exhibit controllable mechanical properties with elastomeric behaviors to thermadapt shape memory polymers. Furthermore, the resulting network can be reverted into an acrylate-functioned photopolymer that is suitable for 3D printing again, presenting an on-demand, repeatedly recyclable thermosetting photopolymer platform for sustainable 3D printing.
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Affiliation(s)
- Jingjing Cui
- Frontiers Science Center for Flexible Electronics (FSCFE), Research & Development Institute of Northwestern Polytechnical University in Shenzhen, Ningbo Institute of Northwestern Polytechnical University, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an, 710072, China
| | - Fukang Liu
- Frontiers Science Center for Flexible Electronics (FSCFE), Research & Development Institute of Northwestern Polytechnical University in Shenzhen, Ningbo Institute of Northwestern Polytechnical University, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an, 710072, China
| | - Zhe Lu
- Frontiers Science Center for Flexible Electronics (FSCFE), Research & Development Institute of Northwestern Polytechnical University in Shenzhen, Ningbo Institute of Northwestern Polytechnical University, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an, 710072, China
| | - Shiwei Feng
- Frontiers Science Center for Flexible Electronics (FSCFE), Research & Development Institute of Northwestern Polytechnical University in Shenzhen, Ningbo Institute of Northwestern Polytechnical University, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an, 710072, China
| | - Chen Liang
- Frontiers Science Center for Flexible Electronics (FSCFE), Research & Development Institute of Northwestern Polytechnical University in Shenzhen, Ningbo Institute of Northwestern Polytechnical University, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an, 710072, China
| | - Yongding Sun
- Frontiers Science Center for Flexible Electronics (FSCFE), Research & Development Institute of Northwestern Polytechnical University in Shenzhen, Ningbo Institute of Northwestern Polytechnical University, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an, 710072, China
| | - Jin Cui
- School of Information and Science Technology, Northwest University, 1 Xuefu Street, Xi'an, 710127, China
| | - Biao Zhang
- Frontiers Science Center for Flexible Electronics (FSCFE), Research & Development Institute of Northwestern Polytechnical University in Shenzhen, Ningbo Institute of Northwestern Polytechnical University, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an, 710072, China
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Petousis M, Vidakis N, Mountakis N, Papadakis V, Tzounis L. Three-Dimensional Printed Polyamide 12 (PA12) and Polylactic Acid (PLA) Alumina (Al 2O 3) Nanocomposites with Significantly Enhanced Tensile, Flexural, and Impact Properties. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:nano12234292. [PMID: 36500915 PMCID: PMC9740054 DOI: 10.3390/nano12234292] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Revised: 11/26/2022] [Accepted: 11/30/2022] [Indexed: 05/06/2023]
Abstract
The effect of aluminum oxide (Al2O3) nanoparticles (NPs) as a reinforcing agent of Polyamide 12 (PA12) and Polylactic acid (PLA) in fused filament fabrication (FFF) three-dimensional printing (3DP) is reported herein for the first time. Alumina NPs are incorporated via a melt-mixing compounding process, at four different filler loadings. Neat as well as nanocomposite 3DP filaments are prepared as feedstock for the 3DP manufacturing of specimens which are thoroughly investigated for their mechanical properties. Thermogravimetric analyses (TGA) and Raman spectroscopy (RS) proved the nature of the materials. Their morphological characteristics were thoroughly investigated with scanning electron and atomic force microscopy. Al2O3 NPs exhibited a positive reinforcement mechanism at all filler loadings, while the mechanical percolation threshold with the maximum increase of performance was found between 1.0-2.0 wt.% filler loading (1.0 wt.% for PA12, 41.1%, and 56.4% increase in strength and modulus, respectively; 2.0 wt.% for PLA, 40.2%, and 27.1% increase in strength and modulus, respectively). The combination of 3DP and polymer engineering using nanocomposite PA12 and PLA filaments with low-cost filler additives, e.g., Al2O3 NPs, could open new avenues towards a series of potential applications using thermoplastic engineering polymers in FFF 3DP manufacturing.
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Affiliation(s)
- Markos Petousis
- Mechanical Engineering Department, Hellenic Mediterranean University, Estavromenos, 71004 Heraklion, Greece
| | - Nectarios Vidakis
- Mechanical Engineering Department, Hellenic Mediterranean University, Estavromenos, 71004 Heraklion, Greece
| | - Nikolaos Mountakis
- Mechanical Engineering Department, Hellenic Mediterranean University, Estavromenos, 71004 Heraklion, Greece
| | - Vassilis Papadakis
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology—Hellas, 71110 Heraklion, Greece
| | - Lazaros Tzounis
- Mechanical Engineering Department, Hellenic Mediterranean University, Estavromenos, 71004 Heraklion, Greece
- Correspondence: ; Tel.: +30-2810-379864
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