Additively manufactured high-energy-absorption metamaterials with artificially engineered distribution of bio-inspired hierarchical microstructures

Gao, Zhenyang; Wang, Hongze; Sun, H.; Sun, Tze-Chien; Wu, Yi; Leung, Chu Lun Alex; Wang, Haowei

doi:10.1016/j.compositesb.2022.110345

Cited by 31 publications

(6 citation statements)

References 56 publications

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“…Additionally, there are some limitations, such as a small build size and slower printing speeds compared to other powder‐based 3D printing methods. Recently, Gao et al created a novel high‐energy‐absorption spherical hollow structure fabricated through SLM technology, [ 148 ] as shown in Figure 8 d, which provides different protective applications.…”

Section: Micro/nanoscale Technologies In Mechanical Metamaterialsmentioning

confidence: 99%

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Advanced Fabrication of Mechanical Metamaterials Based on Micro/Nanoscale Technology

Chen,

Lin,

Salehi

et al. 2023

Adv Eng Mater

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In recent years, mechanical metamaterials have shown good mechanical properties such as ultra‐lightness, programmable stiffness, and tunable Poisson’s ratio through clever structural design of microstructures. Micro/nanotechnology has been used to ensure mechanical metamaterials’ fabrication quality and performance for use as structural substrates in multifunctional applications. Mechanical metamaterials are intentionally engineered with periodic microstructures in diverse shapes, allowing for the creation of complex structural substrates. However, this sophisticated design poses significant challenges in the fabrication process, particularly at the micro/nanoscale level, where current technology hinders mechanical metamaterials’ performance improvement and function realization. This review explores the fabrication processes of mechanical metamaterials using micro/nanotechnology and showcase recent progress and future trends. Particular attention is given to recent development, challenges, and future trends in advanced fabrication technologies for mechanical metamaterials. This survey aims to explain why mechanical metamaterials have significant benefits and are well‐suited as structural substrates for multifunctional applications, what advanced fabrication technologies at the micro/nanoscale have been introduced to prepare mechanical metamaterials and how to overcome manufacturing technology bottlenecks of mechanical metamaterials in terms of synthesis, materials and design method.This article is protected by copyright. All rights reserved.

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Section: Micro/nanoscale Technologies In Mechanical Metamaterialsmentioning

confidence: 99%

mentioning

confidence: 99%

Advanced Fabrication of Mechanical Metamaterials Based on Micro/Nanoscale Technology

Chen,

Lin,

Salehi

et al. 2023

Adv Eng Mater

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“…The development of metamaterial in recent years has provided us with ideas for realizing special properties of structures [18][19][20]. Various forms of metamaterial have been widely used in the fields of vibration control [21][22][23][24][25][26], shock isolation [27], energy absorption [28][29][30][31] and equivalent parameter [32][33][34]. Some metamaterial with negative-stiffness characteristic provide idea for designing new positive-negative parallel QZS element [35][36][37][38][39].…”

Section: Introductionmentioning

confidence: 99%

Tunable integrated quasi-zero-stiffness metamaterials for ultra-low-frequency vibration isolation

Yang,

Wu,

Wang

et al. 2024

Preprint

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Quasi-zero-stiffness (QZS) structures play an important role in ultra-low frequency vibration isolation due to its nonlinear mechanical properties, how to make it more lightweight while ensuring performance is an important research topic in expanding its application areas. In this paper, an integrated QZS metamaterial element for ultra-low frequency vibration isolation (around 4Hz). Relying on the nonlinear mechanical properties of metamaterials, the initial structural parameters are optimized to achieve QZS within a specific deformation range, providing a theoretical analysis basis for structural performance design. Static simulation analysis and experiments verified the effectiveness of the optimization design process. Further vibration experiments confirmed the ultra-low frequency vibration isolation ability of this metamaterial element. This customizable metamaterial with a size of tens of millimeters provides new ideas and solutions for ultra-low frequency vibration isolation of small precision components.

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“…The materials used in TWSTs have evolved from traditional metal tubes [ 7 ] to fiber-reinforced plastics (FRP) tubes [ 8 , 9 , 10 , 11 ] and metal–FRP hybrid tubes [ 12 , 13 , 14 ]. Similarly, the structural forms have diversified from simple circular cross-sections [ 15 ] to quadrilateral [ 16 ] and polygonal cross-sections [ 17 ], multi-cell tubes [ 18 , 19 ], and bionic structures [ 20 , 21 , 22 ]. To enhance the crashworthiness of TWSTs, researchers have explored filling them with honeycombs [ 23 , 24 ] and porous materials [ 25 , 26 ].…”

Section: Introductionmentioning

confidence: 99%

On the Crush Behavior and Energy Absorption of Sustainable Beverage Cans and Their Polyurethane Foam-Filled Structures: An Experimental Study

Wang,

Liu,

Liu

et al. 2024

Materials

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In the pursuit of global energy conservation and emissions reductions, utilizing beverage cans as energy-absorbing components offers potential for a sustainable economy. This study examines the impact of foam filling on the crushing behaviors and energy absorption of various types of beverage cans. Quasi-static compression tests were conducted on five geometrically sized cans filled with three densities of polyurethane foam to study their deformation modes and calculate crashworthiness parameters within the effective stroke. Results show that empty beverage cans have lower energy absorption capacities, and deformation modes become less consistent as can size increases. Higher foam density leads to increased total energy absorption, a slight reduction in the effective compression stroke, and a tendency for specific energy absorption to initially increase and then decrease. Regarding crush behavior, smaller cans transition from a diamond mode to a concertina mode, while larger cans exhibit a columnar bending mode. Next, the coupling effect of energy absorption between foam and cans was analyzed so as to reveal the design method of energy-absorbing components. The specific energy absorption of smaller cans filled with polyurethane foam is superior to that of similar empty cans. These findings provide valuable insights for selecting next-generation sustainable energy absorption structures.

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Additively manufactured high-energy-absorption metamaterials with artificially engineered distribution of bio-inspired hierarchical microstructures

Cited by 31 publications

References 56 publications

Advanced Fabrication of Mechanical Metamaterials Based on Micro/Nanoscale Technology

Advanced Fabrication of Mechanical Metamaterials Based on Micro/Nanoscale Technology

Tunable integrated quasi-zero-stiffness metamaterials for ultra-low-frequency vibration isolation

On the Crush Behavior and Energy Absorption of Sustainable Beverage Cans and Their Polyurethane Foam-Filled Structures: An Experimental Study

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