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Corrosion Characteristics on Friction Stir Welding of Dissimilar AA2014/AA6061 Alloy for Automobile Application
Technical Paper
2019-28-0063
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Friction Stir Welding (FSW) is a widely used solid state welding process in which its heats metal to the below recrystallization temperature due to frictional force. FSW mostly avoids welding defects like hot cracking and porosity which are mainly occur in conventional welding techniques. In this process the combination of frictional force and the mechanical work provide heating the base metal to get defect free weld joints. Aluminium Alloys 2014 and 6061 are generally used in a wide range of automobile applications like Engine valves and tie rod, shipbuilding, and aerospace due to their high corrosion resistance, lightweight, and good mechanical properties. In the present work, aluminium alloys of AA6061 and AA2014 were effectively welded by friction stir welding technique. The tool rotational speed, travel speed, and tool profile are the important parameters in FSW process. High Speed Steel (HSS) tool with Hexagonal profile is used for this joining. The tool rotational speed is varied form 700, 1000 and 1400 rpm and the travel speed is varied from 25, 30 and 50 mm/min. From the experimental results the open circuit potential is drastically reduced at 1400 rpm tool rotational speed and the TAFEL plot is also decreased with the same rotational speed and 50 mm/min travel speed.
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Citation
Rajamurugan, G., Deepankumar, S., Ramakrishnan, A., Krishnasamy, P. et al., "Corrosion Characteristics on Friction Stir Welding of Dissimilar AA2014/AA6061 Alloy for Automobile Application," SAE Technical Paper 2019-28-0063, 2019, https://doi.org/10.4271/2019-28-0063.Data Sets - Support Documents
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References
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