Numerical analysis of springback with experimental validation using UCB test
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Abstract
Sheet metal forming is used to process a substantial percentage of automobile components, and the so-called springback behavior is of primary importance, in order to obtain the final part with an accurate geometry. This paper describes a springback research that employs three different materials often used in the automobile industry: DP780, HSLA420, and AA5754. The unconstrained cylindrical bending test (UCB test) will be utilized to assess the springback prediction for selected materials. In this study, experimental data is collected and numerical results are provided utilizing finite element techniques. Results show that UCB test is an adequate benchmark for analysis of springback behavior of sheet metallic materials and it has also been observed a close agreement between numerical results and experiments.
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