Plastic flow in the elliptical bulge test
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Cited by (59)
Hydraulic bulge test instabilities of anisotropic materials
2023, International Journal of Solids and StructuresFinite strain elastoplastic bulging of circular diaphragms
2023, International Journal of Solids and StructuresA general and unified theory of the kinematic relationships in bulge tests
2020, Journal of the Mechanics and Physics of SolidsCitation Excerpt :Fig. 14b presents the results of elliptical bulge tests of low-carbon steel sheets from Atkinson (1994), a linear regression can also be used to fit the data with satisfaction even though two data points are not well captured. Fig. 14c shows the results from elliptical bulge tests of 0.8 mm thick Zn-plated steel sheets reported by Rees (1995) and Fig. 14d plots the results of 0.85 mm thick DC04 steel sheets from Lăzărescu et al. (2012a). It can be seen that all the data are well captured by the regression lines.
Inverse identification of the work hardening law from circular and elliptical bulge tests
2020, Journal of Materials Processing TechnologyA novel test method for continuous nonlinear biaxial tensile deformation of sheet metals by bulging with stepped-dies
2020, International Journal of Mechanical SciencesCitation Excerpt :Bulging test results under biaxial loading show that flow stress properties at higher strain levels could be obtained as compared to those obtained from uniaxial tensile tests, which is helpful for finite element simulation of severe plastic deformation [13]. Through bulging with different elliptical dies, the forming limit curve (FLC) can be evaluated [14–16], and the flow stress at the pole of the bulging area can be calculated by using theoretical model [17–19]. Lăzărescu et al. [18,19] developed an analytical model under the assumption that the bulged surface of the specimen was approximated to a rotational ellipsoid, and determined the equivalent stress-strain curves.
Plasticity of Metallic Materials: Modeling and Applications to Forming
2020, Plasticity of Metallic Materials: Modeling and Applications to Forming