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铝合金板材表面处理对环氧粘结接头承载能力和破坏能量的影响分析

Analysis of the Effect of Surface Preparation of Aluminum Alloy Sheets on the Load-Bearing Capacity and Failure Energy of an Epoxy-Bonded Adhesive Joint.

作者信息

Ciecińska Barbara, Mucha Jacek, Bąk Łukasz

机构信息

Department of Manufacturing Processes and Production Engineering, Rzeszow University of Technology, 35-959 Rzeszow, Poland.

Department of Mechanical Engineering, Rzeszow University of Technology, 35-959 Rzeszow, Poland.

出版信息

Materials (Basel). 2024 Apr 23;17(9):1948. doi: 10.3390/ma17091948.

DOI:10.3390/ma17091948
PMID:38730752
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11084576/
Abstract

Surface preparation is an important step in adhesive technology. A variety of abrasive, chemical, or concentrated energy source treatments are used. The effects of these treatments vary due to the variety of factors affecting the final strength of bonded joints. This paper presents the results of an experimental study conducted to determine the feasibility of using fiber laser surface treatments in place of technologically and environmentally cumbersome methods. The effect of surface modification was studied on three materials: aluminum EN AW-1050A and aluminum alloys EN AW-2024 and EN AW-5083. For comparison purposes, joints were made with sandblasted and laser-textured surfaces and those rolled as reference samples for the selected overlap variant, glued with epoxy adhesive. The joints were made with an overlap of 8, 10, 12.5, 14, and 16 mm, and these tests made it possible to demonstrate laser processing as a useful technique to reduce the size of the overlap and achieve even higher load-bearing capacity of the joint compared to sandblasting. A comparative analysis was also carried out for the failure force of the adhesive bond and the failure energy. The results show the efficiency and desirability of using lasers in bonding, allowing us to reduce harmful technologies and reduce the weight of the bonded structure.

摘要

表面处理是粘接技术中的一个重要步骤。人们会使用各种研磨、化学或集中能源处理方法。由于影响粘接接头最终强度的因素多种多样，这些处理方法的效果也各不相同。本文介绍了一项实验研究的结果，该研究旨在确定使用光纤激光表面处理来替代技术上和环境上繁琐的方法的可行性。研究了表面改性对三种材料的影响：EN AW-1050A铝以及EN AW-2024和EN AW-5083铝合金。为作比较，制作了喷砂和激光纹理化表面的接头，以及作为所选搭接变体参考样品的轧制接头，并用环氧胶粘剂进行粘接。接头的搭接长度分别为8、10、12.5、14和16毫米，这些测试表明，与喷砂相比，激光加工是一种有用的技术，可减小搭接尺寸并实现接头更高的承载能力。还对粘接的破坏力和破坏能量进行了对比分析。结果表明了在粘接中使用激光的效率和可取性，使我们能够减少有害技术并减轻粘接结构的重量。

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Review on Adhesives and Surface Treatments for Structural Applications: Recent Developments on Sustainability and Implementation for Metal and Composite Substrates.
结构应用中的胶粘剂与表面处理综述：金属与复合材料基材在可持续性及应用方面的最新进展
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