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Plane Stress Yield Function Described by 3rd-degree Spline Curves Considering Differential Work Hardening
Journal of the Japan Society for Technology of Plasticity
An anisotropic plane stress yield function that is described by 3 rd -degree spline curves has been proposed. To fix the parameters for the model, three types of mechanical tests are needed. In this study, only uniaxial tensile tests at several angles from the rolling direction have been carried out, because stress states of the target for comparison are uniaxial stress in this case. The characteristic of this model is that the calculated flow stresses and r values fit the experimental valuesdoi:10.9773/sosei.57.245 fatcat:egm4hoobybd5hhagut62hgj2uq