Effect of Friction Stir Processing on Gas Tungsten Arc-Welded and Friction Stir-Welded 5083-H111 Aluminium Alloy Joints
作者： Sipokazi Mabuwa , Velaphi Msomi
DOI: 10.1155/2019/3510236
关键词:
摘要: This paper presents the analysis of friction stir-processed aluminium alloy 5083-H111 gas tungsten arc-welded and stir-welded joints. The comparative was performed on processed unprocessed joints similar 5083-H111. results showed a clear distinction between stir There is good correlation observed microstructural tensile results. Ultrafine grain sizes 4.62 μm 7.177 μm were microstructure ultimate strength for before processing 153.75 262.083 MPa, respectively. joint 303.153 MPa one 249.917 MPa. microhardness values both approximately 87 HV, while those ones 86.5 86 HV, application transformed arc morphology from brittle to ductile dimples reduced dimple size range 4.90–38.33 μm 3.35–15.59 μm.
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