Interlaminar toughening and self-healing mechanism for hard-and-soft layered composite laminates

IF 8.1 2区材料科学 Q1 ENGINEERING, MANUFACTURING Composites Part A: Applied Science and Manufacturing Pub Date : 2024-11-28 DOI:10.1016/j.compositesa.2024.108623

Xiaoyu Zhang , Guojun Zhao , Jin Lai , T.X. Yu , Xin Zhang

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Abstract

This paper finds a simple and cost-effective design to create high interlaminar toughness and self-healing Euplectella Aspergillum based bio-inspired composite laminates with thermoplastic polymer poly(ethylene-co-methacrylic acid) (EMAA). Three different configuration strategies containing hard/soft structures are proposed and mode I interlaminar toughness is determined to investigate the toughening effect and self-healing behavior. The results show that configuration and fiber types have great influence on toughening and self-healing efficiency. The novel configuration can achieve an improvement of over 600% in toughness for carbon fiber reinforced plastic (CFRP) and close to 100% for healing efficiency in the case of glass fiber reinforced plastic (GFRP) laminates. All the proposed configurations eliminate unstable delamination crack propagation process observed in CFRP woven laminates. In addition, repeated self-healing behavior is studied and self-healing efficiency remains stable after three damage-healing cycles. This study reveals toughening and self-healing behaviors of different configurations and provides novel strategies for laminate design.

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来源期刊

Composites Part A: Applied Science and Manufacturing 工程技术-材料科学：复合

CiteScore

15.20

自引率

5.70%

发文量

492

审稿时长

30 days

期刊介绍： Composites Part A: Applied Science and Manufacturing is a comprehensive journal that publishes original research papers, review articles, case studies, short communications, and letters covering various aspects of composite materials science and technology. This includes fibrous and particulate reinforcements in polymeric, metallic, and ceramic matrices, as well as 'natural' composites like wood and biological materials. The journal addresses topics such as properties, design, and manufacture of reinforcing fibers and particles, novel architectures and concepts, multifunctional composites, advancements in fabrication and processing, manufacturing science, process modeling, experimental mechanics, microstructural characterization, interfaces, prediction and measurement of mechanical, physical, and chemical behavior, and performance in service. Additionally, articles on economic and commercial aspects, design, and case studies are welcomed. All submissions undergo rigorous peer review to ensure they contribute significantly and innovatively, maintaining high standards for content and presentation. The editorial team aims to expedite the review process for prompt publication.