A study on the prediction of springback angle is presented, with focus on the straight flanging operation. The objective of this work is to evaluate the reliability of different methods of prediction. An experiment of straight flanging operation is conducted. Major prediction approaches such as analytical model, numerical simulation using the Finite Element Method (FEM) and the Meshfree Method using the Reproducing Kernel Particle Methods (RKPM) are discussed. A set of sample problems is computed and comparisons are made with the experiment. The numerical analysis shows that the prediction from the 3D meshfree contact code matches well with the data from the FEM 2D solid model. A material property described by the kinematic hardening law provides a better prediction of springback than the isotropic hardening law.
Effective Models for Prediction of Springback In Flanging
Contributed by the Materials Division for publication in the JOURNAL OF ENGINEERING MATERIALS AND TECHNOLOGY. Manuscript received by the Materials Division July 25, 2000. Guest Editors: Jian Cao and Z. Cedric Xia
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Song, N., Qian, D., Cao, J., Liu, W. K., and Li, S. (July 25, 2000). "Effective Models for Prediction of Springback In Flanging ." ASME. J. Eng. Mater. Technol. October 2001; 123(4): 456–461. https://doi.org/10.1115/1.1395019
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