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Article

Hybrid Self-Reacting Friction Stir Welding of AA 6061-T6 Aluminium Alloy with Cooling Assisted Approach

School of Technology, Pandit Deendayal Petroleum University, Gandhinagar 382007, India
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Metals 2021, 11(1), 16; https://doi.org/10.3390/met11010016
Received: 7 December 2020 / Revised: 20 December 2020 / Accepted: 21 December 2020 / Published: 24 December 2020
(This article belongs to the Special Issue Friction Stir Welding of Lightweight Alloys)
In the present work, self-reacting friction stir welding of 6 mm thick Al 6061-T6 was processed considering two novel approaches as different temperatures of the water (1 °C and 30 °C), and methods of use (spraying and enveloping top surface) using water as cooling media. The four experiments as natural air cooling (NAC), spraying with room temperature water mist (S-RM), spraying with ice water mist (S-IM), and cooling with room temperature water jet (C-RJ) were performed. The thermal profile, microstructure, microhardness, and tensile properties were investigated for all the joints. The lowest hardness location was heat affected zone in NAC and it was the boundary of the thermo-mechanically affected zone and weld nugget zone in all cooling assisted joints. The C-RJ cooling assisted joint resulted in the highest tensile strength of 189.16 MPa which is 8.17% higher than the conventional self-reacting friction stir welded joint. View Full-Text
Keywords: self-reacting; cooling; friction; welding; microhardness; microstructure; underwater self-reacting; cooling; friction; welding; microhardness; microstructure; underwater
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MDPI and ACS Style

Fuse, K.; Badheka, V. Hybrid Self-Reacting Friction Stir Welding of AA 6061-T6 Aluminium Alloy with Cooling Assisted Approach. Metals 2021, 11, 16. https://doi.org/10.3390/met11010016

AMA Style

Fuse K, Badheka V. Hybrid Self-Reacting Friction Stir Welding of AA 6061-T6 Aluminium Alloy with Cooling Assisted Approach. Metals. 2021; 11(1):16. https://doi.org/10.3390/met11010016

Chicago/Turabian Style

Fuse, Kishan, and Vishvesh Badheka. 2021. "Hybrid Self-Reacting Friction Stir Welding of AA 6061-T6 Aluminium Alloy with Cooling Assisted Approach" Metals 11, no. 1: 16. https://doi.org/10.3390/met11010016

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