具有梯度波浪形结构的仿生层间杂化复合材料层合板的低速抗冲击性能。

IF 9.4 1区医学 Q1 ENGINEERING, BIOMEDICAL

Acta Biomaterialia Pub Date : 2025-06-01 DOI:10.1016/j.actbio.2025.04.046

Shicai Zhao , Deyuan Zhang

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引用次数: 0

摘要

本研究探索了一种生物启发的设计方法，用于混合碳纤维增强聚合物复合材料的层间铺设，以提高抗冲击性。在陷阱颚蚂蚁的快速下颚撞击中发现了一种抗冲击和损伤容限的梯度波浪形结构。受这种自然设计的启发，渐变波浪形结构被纳入纤维层间形成，以提高抗冲击性。仿生层间混合层压板，结合了单向纤维和多种编织织物的排列，使用模压成型技术制造。结果表明，仿生梯度波纹结构在限制裂纹扩展和产生较大弹性变形方面起着至关重要的作用。与传统层压板相比，3K-PUP层压板的峰值接触力增加了10.2%，冲击损伤面积减少了80.7%，能量耗散增加了46.2%。此外，混合层压板表现出优异的承载能力，其中3K-PUP层压板的残余抗压强度提高了6.6%。仿生层压板有效地提供了裂纹尖端屏蔽和增强的抗断裂机制，显著提高了对冲击损伤穿过厚度扩散的损伤容限。意义声明：在陷阱颚蚂蚁的下颌快速撞击中发现了一种抗冲击和损伤容限的梯度波浪结构。受这种自然设计的启发，渐变波浪形结构被纳入纤维层间形成，以提高抗冲击性。仿生层间混合层压板，结合了单向纤维和多种编织织物的排列，使用模压成型技术制造。结果表明，仿生梯度波纹结构在限制裂纹扩展和产生较大弹性变形方面起着至关重要的作用。仿生层压板有效地提供了裂纹尖端屏蔽和增强的抗断裂机制，显著提高了对冲击损伤穿过厚度扩散的损伤容限。

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Low-velocity impact resistance of bio-inspired interlayer hybrid composite laminates with a gradient waviness structure

This study explores a bio-inspired design methodology for interlayer layups in hybrid carbon fiber reinforced polymer composites to enhance impact resistance. An impact-resistant and damage tolerance gradient waviness structure is discovered in the rapid mandible strike of trap-jaw ants. Inspired by this natural design, a gradient waviness structure was incorporated into fiber interlayer formation to improve impact resistance. Bio-inspired interlayer hybrid laminates, combining unidirectional fibers with multiple woven fabric arrangements, were fabricated using a mold press forming technique. The results demonstrate that the bio-inspired gradient waviness structure plays a crucial role in limiting crack propagation and generating large in elastic deformation. The 3K-PUP laminate exhibited a 10.2 % increase in peak contact force, an impressive 80.7 % reduction in damage area upon impact, and a 46.2 % increase in energy dissipation compared to traditional laminates. Additionally, the hybrid laminates displayed superior load-bearing capacity, with the 3K-PUP laminate achieving a 6.6 % increase in residual compressive strength. The bio-inspired laminates effectively provided crack tip shielding and enhanced fracture resistance mechanisms, significantly improving damage tolerance against through-the-thickness diffusion of impact damage.

Statement of Significance

An impact-resistant and damage tolerance gradient waviness structure is discovered in the rapid mandible strike of trap-jaw ants. Inspired by this natural design, a gradient waviness structure was incorporated into fiber interlayer formation to improve impact resistance. Bio-inspired interlayer hybrid laminates, combining unidirectional fibers with multiple woven fabric arrangements, were fabricated using a mold press forming technique. The results demonstrate that the bio-inspired gradient waviness structure plays a crucial role in limiting crack propagation and generating large in elastic deformation. The bio-inspired laminates effectively provided crack tip shielding and enhanced fracture resistance mechanisms, significantly improving damage tolerance against through-the-thickness diffusion of impact damage.

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来源期刊

Acta Biomaterialia 工程技术-材料科学：生物材料

CiteScore

16.80

自引率

3.10%

发文量

776

审稿时长

30 days

期刊介绍： Acta Biomaterialia is a monthly peer-reviewed scientific journal published by Elsevier. The journal was established in January 2005. The editor-in-chief is W.R. Wagner (University of Pittsburgh). The journal covers research in biomaterials science, including the interrelationship of biomaterial structure and function from macroscale to nanoscale. Topical coverage includes biomedical and biocompatible materials.