通过等离子体和硅烷偶联剂增强金属- cfrtp粘合接头中粘合剂- cfrtp界面的粘合

IF 14.2 1区材料科学 Q1 ENGINEERING, MULTIDISCIPLINARY

Composites Part B: Engineering Pub Date : 2025-09-09 DOI:10.1016/j.compositesb.2025.113009

Yongsoon Shin , Areesa Trevino , Yao Qiao , Roberts J. Seffens , Mark H. Engelhard , Mary Gilliam , Graham Garner , Michael Lukitsch , Blair E. Carlson , Kevin L. Simmons

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引用次数: 0

摘要

以金属/CFRTP（碳纤维增强热塑性聚合物）异种接头为例，采用等离子体处理和化学接枝技术提高了异种表面、铝合金Aural-5和碳纤维增强聚酰胺66 （CFRP-PA66）的粘合性能。在CFRTP表面化学接枝3-巯基丙基三甲氧基硅烷、3-甘油三酯氧基三甲氧基硅烷和3-氨基丙基三甲氧基硅烷等有机硅烷偶联剂，在CFRTP侧形成硅烷键，有机硅烷的其他官能团改善了粘合剂与CFRTP界面环氧开环聚合，从而提高了粘接剂aur5 /CFRTP接头的搭接剪切强度。结合等离子体和有机硅烷接枝CFRTP表面的接头的搭接抗剪强度（LSS）比未接枝CFRTP表面的接头高39.8% ~ 51.5%，比仅接枝CFRTP表面的接头高出24.4% ~ 34.8%。巯基在三个官能团中具有最高的亲核性，与其他两个等离子体和有机硅烷包覆组合相比，表现出更高的LSS。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Enhanced adhesive bonding at the adhesive-CFRTP interface via plasma and silane coupling agents in adhesively-bonded metal-CFRTP joints

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Enhanced adhesive bonding at the adhesive-CFRTP interface via plasma and silane coupling agents in adhesively-bonded metal-CFRTP joints

Plasma treatment followed by chemical grafting has been applied to improve the bonding performance of adhesively bonded dissimilar surfaces, aluminum alloy Aural-5 and carbon-fiber-reinforced polyamide 66 (CFRP-PA66), as an example for metal/CFRTP (Carbon fiber-reinforced thermoplastic polymer) dissimilar joints. Chemical grafting of organosilane coupling agents including 3-mercaptopropyl trimethoxysilane, 3-glycidyloxypropyl trimethoxysilane, and 3-aminopropyl trimethoxysilane on CFRTP surfaces formed silane linkages on CFRTP side and other functional groups of organosilanes improved epoxy ring-opening polymerization at the interface between the adhesive and CFRTP, which led to improved lap shear strength of adhesively-bonded Aural 5/CFRTP joints. Lap shear strengths (LSS) of the joints with combined plasma and organosilane-grafted CFRTP surfaces were about 39.8–51.5 % higher than those with as-received CFRTP surfaces and showed an additional 24.4–34.8 % increase compared to those with plasma-treated-only CFRTP surfaces. The mercapto group, which has the highest nucleophilicity among the three functional groups, exhibited higher LSS compared to the other two plasma and organosilane-coated combinations.

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来源期刊

Composites Part B: Engineering 工程技术-材料科学：复合

CiteScore

24.40

自引率

11.50%

发文量

784

审稿时长

21 days

期刊介绍： Composites Part B: Engineering is a journal that publishes impactful research of high quality on composite materials. This research is supported by fundamental mechanics and materials science and engineering approaches. The targeted research can cover a wide range of length scales, ranging from nano to micro and meso, and even to the full product and structure level. The journal specifically focuses on engineering applications that involve high performance composites. These applications can range from low volume and high cost to high volume and low cost composite development. The main goal of the journal is to provide a platform for the prompt publication of original and high quality research. The emphasis is on design, development, modeling, validation, and manufacturing of engineering details and concepts. The journal welcomes both basic research papers and proposals for review articles. Authors are encouraged to address challenges across various application areas. These areas include, but are not limited to, aerospace, automotive, and other surface transportation. The journal also covers energy-related applications, with a focus on renewable energy. Other application areas include infrastructure, off-shore and maritime projects, health care technology, and recreational products.