Advancing Corrosion Resistance and Micro-hardness in 6061 Aluminium Alloy through Friction Stir Surface Processing
Pankaj Sonkusare1, Shri Krishna Dhakad2, Pankaj Agarwal3, Ravindra Singh Rana4

1Pankaj Sonkusare, Assistant Professor, Department of Mechanical Engineering, SATI Vidisha (M.P.), India.

2Dr. Shri Krishna Dhakad, Professor, Department of Mechanical Engineering, UIT Shivpuri, (M.P.) India.

3Dr. Pankaj Agarwal, Professor, Department of Mechanical Engineering, SATI Vidisha, (M.P.), India.

4Dr. Ravindra Singh Rana, Associate Professor, Department of Mechanical Engineering, MANIT Bhopal (M.P.), India.

Manuscript received on 24 April 2024 | Revised Manuscript received on 07 May 2024 | Manuscript Accepted on 15 May 2024 | Manuscript published on 30 May 2024 | PP: 23-33 | Volume-13 Issue-6, May 2024 | Retrieval Number: 100.1/ijitee.A806513010524 | DOI: 10.35940/ijitee.A8065.13060524

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Abstract: Friction stir surface processing (FSSP) is a promising technique for enhancing the properties of aluminium alloys. This abstract presents the findings of a study focused on the FSSP of 6061 aluminium alloy to improve its corrosion resistance and micro-hardness. The FSSP method involves the stirring of a rotating tool across the alloy’s surface, inducing plastic deformation and refinement of the microstructure. The study investigates the impact of FSSP parameters such as rotational speed, traverse speed, and tool geometry on the corrosion resistance and micro-hardness of the alloy. Results show that FSSP significantly improves the corrosion resistance of the 6061 aluminium alloy, attributed to refined grain structure and reduced grain boundary corrosion susceptibility. Additionally, micro-hardness is enhanced due to the refined microstructure and dispersion strengthening effects. The findings demonstrate the potential of FSSP as a viable surface treatment technique for aluminium alloys, offering improved corrosion resistance and mechanical properties for various engineering applications.

Keywords: Friction Stir Surface Processing (FSSP), Aluminium alloy, Corrosion Resistance, Micro-Hardness, Surface Ttreatment, Grain Refinement, Rotational Speed, Traverse Speed, Tool geometry and Microstructure.
Scope of the Article: Computational Geometry