在 200 °C 温度条件下对复合材料 gfrp 和铝之间的粘接接头实施表面处理和粘合剂变化

Q3 Mathematics

Eastern-European Journal of Enterprise Technologies Pub Date : 2024-02-28 DOI:10.15587/1729-4061.2024.297904

Herry Purnomo, Muhammad Johan Rifa’i, Purwoko Purwoko, D. N. Vicarneltor, Mahfud Ibadi, Muhamad Hananuputra Setianto, Maulana Yudanto, A. G. Rizkyta

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引用次数: 0

摘要

在高温（如火灾事故中）条件下粘接异种材料（特别是玻璃纤维增强聚合物（GFRP）和铝 6061 T651）具有挑战性，因为结构的完整性和可靠性至关重要。我们研究了表面粗糙度处理如何影响飞机中三种常用粘合剂（Click Bond CB394-43、乐泰 A9396 和 A9394）在 200 °C 时的接合强度。GFRP 由 Gurit Prime 37 环氧树脂和 E-Glass 7781 纤维组成，通过真空灌注生产，尺寸符合 ASTM D5868 标准。结果表明，对所有粘合剂进行表面处理，用 100 格砂纸平行于纤维方向打磨 20 秒，可大大提高接合强度。A9396、A9394 和 CB394-43 分别显著提高了 1091.67%、45.92% 和 30.09%。断裂应变分别显著增加了 51.61 %、121.95 % 和 100 %。在所有粘合剂中，经过表面处理和未经处理的 A9394 样品强度最高。A9396 在未进行表面处理的情况下强度低于 CB394-43，但在进行表面处理的情况下强度高于 CB394-43，凸显了其对表面改性的响应。粘合剂粘度影响在材料表面的渗透，A9396 比其他粘合剂更硬。对 ISO 4287 Ra 值的分析表明，表面处理增加了铝表面的粗糙度，同时降低了 GFRP 表面的粗糙度。这些结果为在高温条件下优化 GFRP 与铝的粘接提供了宝贵的见解。调整表面粗糙度可显著改善铝和 GFRP 与粘合剂之间的相互作用，从而增强接合强度。这些知识可应用于各种工程应用中，尤其是在高温环境下对粘接接头的性能和可靠性要求极高的行业中

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Implementing surface treatment and adhesive variations for bonded joints between composite gfrp and aluminum at 200 °C

Bonding dissimilar materials, specifically Glass Fiber Reinforced Polymer (GFRP) and Aluminum 6061 T651, at elevated temperatures, such as in fire accidents is challenging, where structural integrity and reliability are critical. We studied how surface roughness treatment affects the joint strength of three common adhesives in aircraft (Click Bond CB394-43, Loctite A9396, A9394) at 200 °C. The GFRP, composed of Gurit Prime 37 epoxy resin and E-Glass 7781 fibers produced through vacuum infusion with dimensions following ASTM D5868 standards, was lap shear tested with 2 mm/s stroke. Findings showed a substantial enhancement in joint strength due to surface treatment, sanding with 100-grid sandpaper for 20 seconds in parallel with the fiber direction, for all adhesives. A9396, A9394, and CB394-43 exhibited remarkable improvements of 1091.67 %, 45.92 %, and 30.09 %, respectively. The strain at break showed significant increases of 51.61 %, 121.95 %, and 100 %, respectively. Both surface-treated and untreated A9394 samples showed the highest strength among the adhesives. A9396 exhibited lower strength than CB394-43 without surface treatment, but it outperformed when surface-treated, highlighting its response to surface modification. Adhesive viscosity influences penetration on material surfaces, with A9396 being stiffer than the other adhesives. The analysis of ISO 4287 Ra values revealed that surface treatment led to increased roughness on the Aluminum surface while reducing roughness on the GFRP surface. These results offer valuable insights for optimizing GFRP-Aluminum bonding under elevated temperature conditions. Adjusting surface roughness significantly improves the interaction between Aluminum and GFRP with adhesives, resulting in enhanced joint strength. This knowledge can be applied in various engineering applications, particularly in industries where the performance and reliability of bonded joints are critical under high-temperature environments

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来源期刊

Eastern-European Journal of Enterprise Technologies Mathematics-Applied Mathematics

CiteScore

2.00

自引率

0.00%

发文量

369

审稿时长

6 weeks

期刊介绍： Terminology used in the title of the "East European Journal of Enterprise Technologies" - "enterprise technologies" should be read as "industrial technologies". "Eastern-European Journal of Enterprise Technologies" publishes all those best ideas from the science, which can be introduced in the industry. Since, obtaining the high-quality, competitive industrial products is based on introducing high technologies from various independent spheres of scientific researches, but united by a common end result - a finished high-technology product. Among these scientific spheres, there are engineering, power engineering and energy saving, technologies of inorganic and organic substances and materials science, information technologies and control systems. Publishing scientific papers in these directions are the main development "vectors" of the "Eastern-European Journal of Enterprise Technologies". Since, these are those directions of scientific researches, the results of which can be directly used in modern industrial production: space and aircraft industry, instrument-making industry, mechanical engineering, power engineering, chemical industry and metallurgy.