Study on Mechanical Properties of FSW Joint of 7N01 Aluminum Alloy Sheet
The mechanical properties of FSW joint of 7N01 aluminum alloy sheet,such as strength,tear and fatigue,were tested.The results show that the tensile strength of the FSW joint of 7N01 aluminum alloy sheet is 351.8MPa,which is 81% of the strength of the base material.The longitudinal crack resistance of the joint weld is poor.The fatigue limit of the joint is 70 MPa,and the fatigue performance should be improved by optimizing the welding process parameters.
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