Enhancing Friction Stir Welding Performance for 2017AA Alloy through Cooling with Mediterranean Seawater

IF 1.5 4区工程技术 Q3 ENGINEERING, MECHANICAL

Experimental Techniques Pub Date : 2024-09-26 DOI:10.1007/s40799-024-00751-8

M. Boukraa, T. Chekifi, T. Madani, M. Aissani, A. Settar

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引用次数: 0

Abstract

As the demand for aluminum alloys in various industries continues to grow, the development of robust welded joints has become an essential consideration. Traditional welding techniques struggle to meet the rigorous demands of modern applications. The aim of this study is to explore alternative welding methods, focusing on friction stir welding (FSW) and its underwater variant, underwater friction stir welding (UFSW), using Mediterranean seawater cooling, to join 2017AA aluminum alloy. From a methodological point of view, the study includes experimental measurements of thermal cycling and a comparative analysis of the resulting microstructures in weld joints. The unique cooling environment provided by Mediterranean seawater is a key variable in this analysis. The results reveal important information, particularly for the UFSW technique, where the introduction of Mediterranean seawater cooling leads to a substantial reduction in maximum temperatures and a decrease in plastic deformation level confirmed through fracture analysis in mechanical study. In addition, this cooling environment promotes the formation of a finer grain structure in the weld zone, exceeding the characteristics observed in conventional FSW joints. The potential benefits observed, including improved microstructure, corrosion resistance and wear resistance.

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来源期刊

Experimental Techniques 工程技术-材料科学：表征与测试

CiteScore

3.50

自引率

6.20%

发文量

审稿时长

5.2 months

期刊介绍： Experimental Techniques is a bimonthly interdisciplinary publication of the Society for Experimental Mechanics focusing on the development, application and tutorial of experimental mechanics techniques. The purpose for Experimental Techniques is to promote pedagogical, technical and practical advancements in experimental mechanics while supporting the Society''s mission and commitment to interdisciplinary application, research and development, education, and active promotion of experimental methods to: - Increase the knowledge of physical phenomena - Further the understanding of the behavior of materials, structures, and systems - Provide the necessary physical observations necessary to improve and assess new analytical and computational approaches.