Quasi-Static Compression Response and Energy Absorption of CNTF/EP Origami Thin-Walled Tubes

IF 4.3 3区材料科学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Advanced Materials Interfaces Pub Date : 2025-01-05 DOI:10.1002/admi.202400826

Bowen Zhang, Chuanling Men, Ying Kong, Zhengqiang Lv, Changwei Li, Dongmei Hu

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引用次数: 0

Abstract

This study investigates the quasi-static compression response and energy absorption characteristics of origami-inspired thin-walled tubes fabricated from carbon nanotube film/epoxy (CNTF/EP). The quasi-static compression tests are performed on the origami tubes, square tubes, circular tubes, and thin-walled tubes made from other common materials for comparison, and key mechanical performance indicators, including initial peak force (PF), energy absorption (EA), specific energy absorption (SEA), mean crushing force (MCF), and crushing load efficiency (CLE), are evaluated. The deformation modes of the tubes during compression are observed and analyzed, revealing four typical patterns. Among them, there are both good deformation modes and bad deformation modes, which significantly affect the compressive performance of the thin-walled tube. Additionally, the effects of introducing creases at different positions on the quasi-static compression behavior are explored. Tests are conducted to verify the reusability of the thin-walled tubes. The origami tubes exhibited significant improvements in PF, SEA, and MCF after manual recovery and cyclic testing, indicating their potential for reusability. With excellent compressive energy absorption properties, foldability, and reusability, CNTF/EP origami thin-walled tubes are suitable for various impact mitigation applications.

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CNTF/EP折纸薄壁管的准静态压缩响应和能量吸收

研究了由碳纳米管薄膜/环氧树脂（CNTF/EP）制成的折纸薄壁管的准静态压缩响应和能量吸收特性。对普通材料制成的折纸管、方管、圆管和薄壁管进行了准静态压缩试验对比，评价了初始峰值力（PF）、能量吸收（EA）、比能吸收（SEA）、平均破碎力（MCF）和破碎载荷效率（CLE）等关键力学性能指标。对钢管在压缩过程中的变形模式进行了观察和分析，揭示了四种典型的变形模式。其中既有良好的变形模态，也有不良的变形模态，对薄壁管的抗压性能有显著影响。此外，还探讨了在不同位置引入折痕对准静态压缩性能的影响。进行了试验以验证薄壁管的可重复使用性。手工回收和循环测试后，折纸管在PF、SEA和MCF方面表现出显著的改善，表明它们具有可重用性的潜力。CNTF/EP折纸薄壁管具有优异的压缩能量吸收性能、可折叠性和可重复使用性，适用于各种冲击缓解应用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Advanced Materials Interfaces CHEMISTRY, MULTIDISCIPLINARY-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

8.40

自引率

5.60%

发文量

1174

审稿时长

1.3 months

期刊介绍： Advanced Materials Interfaces publishes top-level research on interface technologies and effects. Considering any interface formed between solids, liquids, and gases, the journal ensures an interdisciplinary blend of physics, chemistry, materials science, and life sciences. Advanced Materials Interfaces was launched in 2014 and received an Impact Factor of 4.834 in 2018. The scope of Advanced Materials Interfaces is dedicated to interfaces and surfaces that play an essential role in virtually all materials and devices. Physics, chemistry, materials science and life sciences blend to encourage new, cross-pollinating ideas, which will drive forward our understanding of the processes at the interface. Advanced Materials Interfaces covers all topics in interface-related research: Oil / water separation, Applications of nanostructured materials, 2D materials and heterostructures, Surfaces and interfaces in organic electronic devices, Catalysis and membranes, Self-assembly and nanopatterned surfaces, Composite and coating materials, Biointerfaces for technical and medical applications. Advanced Materials Interfaces provides a forum for topics on surface and interface science with a wide choice of formats: Reviews, Full Papers, and Communications, as well as Progress Reports and Research News.