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Results in Materials
Asim Tewari). Abstract A drawing quality welded steel tube with outer diameter of 57.15 mm and thickness of 1.6 mm was used in this study. These tubes were hydroformed at bulge ratio (or L/D ratio) of 1, 2 and 3 to achieve different strain paths. It was observed that the tubes after hydroforming fractures in the base metal near the weld for L/D=1 whereas for L/D=2, 3 the fracture occurs in the base metal opposite to the weld which was a novel observation. The experimental and simulated straindoi:10.1016/j.rinma.2020.100096 fatcat:6c3dzj43ofebtjz2qmvyhurwda