Influence of rotational tool speed on metallurgical characterization of friction stir welded joint of AZ91D and AA2024

Mouria, Pradeep Kumar; Singari, Ranganath M.; Wattal, Reeta

doi:10.1080/01694243.2023.2245196

Cited by 5 publications

(1 citation statement)

References 67 publications

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“…Friction stir welding (FSW), as a solid-state joining technology, offers several advantages when it comes to joining dissimilar metals [1-5], including Al/Cu [6][7][8], Al/Ti [9][10][11], Al/Al [12][13][14], Al/Mg [15][16][17], and Al/Steel [18][19][20]. Due to the formation of intermetallic compounds and element diffusions, the mechanical properties can differ significantly from the parent metals after FSW.…”

Section: Introductionmentioning

confidence: 99%

Subregion Based Prediction of Residual States in Friction Stir Welding of Dissimilar Metals

Zhang,

Wang,

Liu

et al. 2023

Coatings

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Mechanical property changes in friction stir welding can directly affect the rebalance of the stress field in friction stir welding. This means that it reveals a high relevance with the residual states of friction stir welding. Here, we propose a subregion model in which the mechanical property changes are considered to predict the residual states in friction stir welding of dissimilar metals. Results indicate that the accuracy of the predicted distortion can be greatly increased when the different mechanical properties are considered in friction stir welding of 2024-T3 and 6061-T6. The final mechanical property is determined by the mixture of the materials at retreating and advancing sides. The final mechanical property in the stirring zone can be increased to 171 MPa for yield strength and 194 MPa for tensile strength when the strength of the advancing side material is higher. The shrinkage of material in the stirring zone during the cooling stage is the key reason for the formation of the tensile residual stress and the V-shape distortion on the cross-section in the as-weld state.

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