Tensile-shear mechanical properties of friction stir spot weld bonding hybrid joint in welding prior to and after adhesive curing for vehicle using

IF 3.2 3区材料科学 Q2 ENGINEERING, CHEMICAL

International Journal of Adhesion and Adhesives Pub Date : 2024-07-14 DOI:10.1016/j.ijadhadh.2024.103769

Yu Guishen , Zhao Chunhui , Liu Chunsheng , Guo Shaopeng , Zhang Yanghui , Zhang Yifeng , Chen Xin

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引用次数: 0

Abstract

This research proposed a temperature-controlled friction stir spot weld bonding process as a solution to the issues of adhesive carbonization and weld impurities in the traditional combination of friction stir spot welding and adhesive bonding. A comprehensive investigation was conducted, including the establishment of a simulation model using the DFLUX subroutine to analyze the welding temperature field and the implementation of an overflow groove to separate the weld from the adhesive. The microstructure and mechanical properties of the joint were examined in the joint of welding before and after the adhesive curing process. The results demonstrated significant improvements in the failure load of the hybrid joints, with increases of 57.4 % and 27.7 %, compared to the welding joint. Additionally, the failure mechanism of the hybrid joint was elucidated by analyzing the fracture morphology.

查看原文本刊更多论文

用于车辆的摩擦搅拌点焊焊接混合接头在粘合剂固化前和固化后的拉伸剪切力学性能

本研究提出了一种温控搅拌摩擦点焊焊接工艺，以解决传统搅拌摩擦点焊和粘合剂粘接组合中存在的粘合剂碳化和焊缝杂质问题。研究人员进行了全面调查，包括利用 DFLUX 子程序建立仿真模型以分析焊接温度场，以及采用溢流槽将焊缝与粘合剂分离。在粘合剂固化过程前后，对焊接接头的微观结构和机械性能进行了检测。结果表明，与焊接接头相比，混合接头的失效载荷有了明显改善，分别增加了 57.4% 和 27.7%。此外，还通过分析断口形态阐明了混合接头的失效机理。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

International Journal of Adhesion and Adhesives 工程技术-材料科学：综合

CiteScore

6.90

自引率

8.80%

发文量

200

审稿时长

8.3 months

期刊介绍： The International Journal of Adhesion and Adhesives draws together the many aspects of the science and technology of adhesive materials, from fundamental research and development work to industrial applications. Subject areas covered include: interfacial interactions, surface chemistry, methods of testing, accumulation of test data on physical and mechanical properties, environmental effects, new adhesive materials, sealants, design of bonded joints, and manufacturing technology.