Abstract
The current research aims in evaluating the 3D temperature distribution of the friction stir–welded plates of AA1100 alloy by using a 9-point finite difference method (FDM). The isotherms, surface plots, and temperature profiles have been obtained from the FDM to analyse the distribution of temperature and compare them with the experimental results. Microstructure analysis, residual stress distribution, and tensile test have been conducted to determine the joint quality that strongly depends on the amount of heat generation which again is governed by the processing parameters. All the weld specimens exhibited an increase in tensile strength by 20% than that of the base metal. The microstructural study clearly indicates the grain refinement in the weld nugget. Residual stress measurement of the weld showed compressive nature of the stress in the joint and tensile nature below the tool shoulder region. This welding process finds various applications in the automotive industries as the need for better structural performance in the joining components of several vehicles and ship building parts is highly expected.
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Senapati, N.P., Bhoi, R.K. Numerical simulation of temperature distribution by 9-point finite difference scheme to study the weld properties of AA1100 friction stir–welded joints. Weld World 65, 1501–1517 (2021). https://doi.org/10.1007/s40194-021-01142-y
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DOI: https://doi.org/10.1007/s40194-021-01142-y