Investigation of Microstructural and Mechanical Characteristics of Friction Stir Welded Aluminum Alloy 7075-t6

IF 1.6 4区材料科学 Q2 Materials Science

Transactions of The Indian Institute of Metals Pub Date : 2024-08-17 DOI:10.1007/s12666-024-03423-8

Ratchagaraja Dhairiyasamy, Deepika Gabiriel, M. Kandasamy, Silambarasan Rajendran

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Abstract

This study aimed to enhance the mechanical and microstructural properties of AA 7075-T6 aluminum alloy by incorporating zeolite powder using friction stir processing (FSP). The methodology involved preparing AA 7075-T6 plates with predrilled holes for zeolite powder insertion, followed by FSP with optimized parameters (650 rpm rotational speed and 12 mm/min traverse speed). Microstructural analysis was conducted using scanning electron microscopy, and mechanical properties were evaluated through tensile and hardness tests. The results demonstrated significant improvements in tensile strength, hardness, and elongation due to the fine grain structure and uniform distribution of zeolite particles in the weld Nugget zone. The optimized FSP parameters enhanced mechanical performance, making the zeolite-reinforced AA 7075-T6 alloy suitable for high-stress applications in aerospace and automotive industries. This study confirms the potential of zeolite reinforcement in improving the durability and reliability of aluminum alloys.

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摩擦搅拌焊接铝合金 7075-t6 的微观结构和机械特性研究

本研究旨在通过使用摩擦搅拌加工（FSP）加入沸石粉，提高 AA 7075-T6 铝合金的机械和微观结构特性。方法包括制备 AA 7075-T6 板材，在板材上预先钻孔以插入沸石粉末，然后使用优化参数（650 转/分钟的旋转速度和 12 毫米/分钟的横移速度）进行摩擦搅拌加工。使用扫描电子显微镜进行了微观结构分析，并通过拉伸和硬度测试评估了机械性能。结果表明，由于沸石颗粒在焊接金块区的细粒结构和均匀分布，拉伸强度、硬度和伸长率都有明显提高。优化的 FSP 参数提高了机械性能，使沸石增强 AA 7075-T6 合金适用于航空航天和汽车行业的高应力应用。这项研究证实了沸石强化在提高铝合金耐久性和可靠性方面的潜力。

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来源期刊

Transactions of The Indian Institute of Metals Materials Science-Metals and Alloys

CiteScore

2.60

自引率

6.20%

发文量

期刊介绍： Transactions of the Indian Institute of Metals publishes original research articles and reviews on ferrous and non-ferrous process metallurgy, structural and functional materials development, physical, chemical and mechanical metallurgy, welding science and technology, metal forming, particulate technologies, surface engineering, characterization of materials, thermodynamics and kinetics, materials modelling and other allied branches of Metallurgy and Materials Engineering. Transactions of the Indian Institute of Metals also serves as a forum for rapid publication of recent advances in all the branches of Metallurgy and Materials Engineering. The technical content of the journal is scrutinized by the Editorial Board composed of experts from various disciplines of Metallurgy and Materials Engineering. Editorial Advisory Board provides valuable advice on technical matters related to the publication of Transactions.