Optimizing Friction Stir Welding Parameters for Al-Li 2060 Alloy
Author Information
Author(s): Noah E. El-Zathry, Stephen Akinlabi, Woo Wai Lok, Vivek Patel, Mahamood Rasheedat M.
Primary Institution: Northumbria University
Hypothesis
The study aims to optimize the friction stir welding parameters, including axial force and tool speeds, to improve joint quality in Al-Li 2060 alloy.
Conclusion
The optimal friction stir welding conditions for Al-Li 2060 alloy were found to be 1200 rpm rotational speed, 3 mm/s traverse speed, and 5 kN axial force, resulting in improved microhardness and weld quality.
Supporting Evidence
- Rotational speed significantly affects weld quality, with optimal conditions leading to maximum microhardness.
- Axial force plays a crucial role in ensuring proper material flow and joint strength.
- Surface roughness measurements indicated minimal defects in the joints.
Takeaway
This study shows how to make better welds in aluminum-lithium alloy by adjusting the speed and force used in the welding process.
Methodology
The study used a Taguchi L9 orthogonal array to optimize friction stir welding parameters and evaluated joint quality through microhardness measurements and microstructural analysis.
Limitations
The study may not cover all possible welding conditions and parameters that could affect the results.
Statistical Information
P-Value
0.035
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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