Analysis and Repair of Welding Structure Crack in Bottom Plate of a Stainless Steel Equipment
In the process of maintenance,a SUS304 stainless steel welding equipment was found to have a penetrable crack at the welding structure of the bottom plate.Through analyzing the structure,stress state,welding form and pneumatic load and other factors at the crack location,the cause of the crack was obtained by using simulation analysis and physical confirmation method,and the structure of the equipment was modified ac-cording to the cause of the crack.The feasibility of the remediation scheme is verified by simulation and test,which provides guidance for the subsequent structural design.
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