Improvement adhesion durability of epoxy adhesive for steel/carbon fiber-reinforced polymer adhesive joint using imidazole-treated halloysite nanotube

IF 23.2 2区材料科学 Q1 MATERIALS SCIENCE, COMPOSITES

Advanced Composites and Hybrid Materials Pub Date : 2025-01-20 DOI:10.1007/s42114-025-01224-1

Jong-Hyun Kim, Hye Jin Kim, Donghyeon Lee, Seong Baek Yang, Seoyoon Yu, Hyeon-Gook Kim, Bongkuk Seo, Sang Yong Nam, Hyoung Jun Lim, Choong-Sun Lim, Dong-Jun Kwon

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引用次数: 0

Abstract

Surface treatment is essential for enhancing adhesion durability and minimizing substrate damage in hybrid structural materials. This study focuses on developing a hybrid adhesive lap joint by incorporating halloysite nanotube (HNT) with imidazole-functionalized surfaces (IM-HNT) into epoxy adhesives to improve adhesion performance and thermal shock resistance. The surface treatment of HNT with imidazole (IM) introduced a curing catalyst effect, reducing activation energy by 50% and accelerating curing time by 90%, as confirmed by Kissinger’s plot and permittivity measurements. The optimized IM-HNT content improved thermal stability by controlling thermal expansion and enhanced mechanical properties, achieving a 15% increase in tensile strength and a 50% enhancement in fracture toughness. The adhesion performance of steel/carbon fiber-reinforced polymer (CFRP) hybrid joints was evaluated through single-lap shear tests, demonstrating a 25% improvement in shear strength. Adhesion durability was tested under cyclic thermal shock conditions, showing a 30% increase as IM-HNT content increased. Finite element analysis (FEA) revealed reduced residual stress at the adhesive interface, supporting the enhanced thermal and mechanical robustness. This study highlights the potential of surface-treated halloysite nanotubes in hybrid adhesive lap joints to significantly improve adhesion durability and thermal shock resistance, addressing critical requirements for hybrid structural materials.

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咪唑处理高岭土纳米管提高钢/碳纤维增强聚合物粘接接头环氧胶粘剂的粘接耐久性

在混合结构材料中，表面处理是提高粘合耐久性和减少基材损伤的关键。本研究的重点是将高岭土纳米管（HNT）与咪唑功能化表面（IM-HNT）结合到环氧胶粘剂中，以提高粘接性能和抗热震性。经基辛格曲线和介电常数测量证实，咪唑（IM）对HNT的表面处理产生了固化催化剂效应，使活化能降低50%，固化时间缩短90%。优化后的IM-HNT含量通过控制热膨胀改善了热稳定性，增强了机械性能，拉伸强度提高了15%，断裂韧性提高了50%。通过单搭接剪切试验评估了钢/碳纤维增强聚合物（CFRP）混合接头的粘附性能，剪切强度提高了25%。在循环热冲击条件下测试了粘接耐久性，随着IM-HNT含量的增加，粘接耐久性提高了30%。有限元分析（FEA）表明，粘接界面的残余应力降低，支持增强的热和机械鲁棒性。该研究强调了表面处理的高岭土纳米管在杂化胶粘剂搭接接头中的潜力，可以显著提高粘接耐久性和抗热震性，解决了杂化结构材料的关键要求。

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来源期刊

Advanced Composites and Hybrid Materials Multiple-

CiteScore

26.00

自引率

21.40%

发文量

185

期刊介绍： Advanced Composites and Hybrid Materials is a leading international journal that promotes interdisciplinary collaboration among materials scientists, engineers, chemists, biologists, and physicists working on composites, including nanocomposites. Our aim is to facilitate rapid scientific communication in this field. The journal publishes high-quality research on various aspects of composite materials, including materials design, surface and interface science/engineering, manufacturing, structure control, property design, device fabrication, and other applications. We also welcome simulation and modeling studies that are relevant to composites. Additionally, papers focusing on the relationship between fillers and the matrix are of particular interest. Our scope includes polymer, metal, and ceramic matrices, with a special emphasis on reviews and meta-analyses related to materials selection. We cover a wide range of topics, including transport properties, strategies for controlling interfaces and composition distribution, bottom-up assembly of nanocomposites, highly porous and high-density composites, electronic structure design, materials synergisms, and thermoelectric materials. Advanced Composites and Hybrid Materials follows a rigorous single-blind peer-review process to ensure the quality and integrity of the published work.