Numerical Analysis of Temperature Distribution in AA1100 Friction-Stir Welded Joints by Finite Difference Approximation
Multiscale Science and Engineering(2024)
摘要
The aim of the research is to evaluate the 3-D temperature distribution in the friction stir welding (FSW) joints of AA1100 alloy plates by using Finite difference method. The theoretical results are correlated with experimental output in terms of temperature profiles of the weld zones. Microstructure analysis 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. Microstructure of the weld samples clearly shows the grain refinement in the weld zone. The friction coefficient is also an important factor that totally depends on the tool pin design. More is the friction; sound welds are produced with minimum defects and an enhanced weld strength. This process finds its applications in the automotive industries as the demand for better performance in joining components for vehicles prompts the implementation of aluminium alloy FSW technology.
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关键词
Friction stir welding,Finite difference method,Temperature distribution,Friction Coefficient,Tensile strength
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