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An Experimental Study on Bulge Test of Commercially Pure Aluminium Sheet Metal
The bulge test has been accomplished to determine the mechanical properties of the sheet metal, especially in the plastic deformation zone. The pressurized water has been used to deform the sheet metal by which the important bulge parameters have been found to calculate the biaxial stresses and strains. Furthermore, the bulge parameters are compared with the benchmark equations to validate the experimental method. Circular grids are printed to monitor the deformation and find out the biaxial strains at the dome top. The flow stress properties of the sheet metal under the biaxial forming condition have been found at higher strain values compared to the uniaxial tensile test. The anisotropic yield criterion method, i.e., Hill’48, has been presented to observe the deviation of the equivalent stress and strain compared to the von Mises yield criterion. The Swift hardening law is used to fit the uniaxial tensile test result and also compare with the Hill’48 and von Mises yield criteria by which the observation of the anisotropic effects has been carried out.
An Experimental Study on Bulge Test of Commercially Pure Aluminium Sheet Metal
The bulge test has been accomplished to determine the mechanical properties of the sheet metal, especially in the plastic deformation zone. The pressurized water has been used to deform the sheet metal by which the important bulge parameters have been found to calculate the biaxial stresses and strains. Furthermore, the bulge parameters are compared with the benchmark equations to validate the experimental method. Circular grids are printed to monitor the deformation and find out the biaxial strains at the dome top. The flow stress properties of the sheet metal under the biaxial forming condition have been found at higher strain values compared to the uniaxial tensile test. The anisotropic yield criterion method, i.e., Hill’48, has been presented to observe the deviation of the equivalent stress and strain compared to the von Mises yield criterion. The Swift hardening law is used to fit the uniaxial tensile test result and also compare with the Hill’48 and von Mises yield criteria by which the observation of the anisotropic effects has been carried out.
An Experimental Study on Bulge Test of Commercially Pure Aluminium Sheet Metal
J. Inst. Eng. India Ser. D
Paral, Sandeep Kumar (author) / Mandal, Abhishek (author)
2023-06-01
7 pages
Article (Journal)
Electronic Resource
English
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