Numerical investigation of deformation behavior in laser bending of sheet with curved irradiating scheme

Document Type : Original Article

Author

Department of Mechanical Engineering, Arak University of Technology, Arak, Iran

Abstract

In this research, numerical simulation of laser bending process of the metallic sheet with curved irradiating scheme is investigated. For this purpose, the commercial ABAQUS software is used for performing the finite element simulations. The used sheet metal is the low carbon mild steel with thickness of 1 mm. Using the stress field obtained by the numerical simulations and analyzing the residual stresses in different directions located on the laser irradiation path, the mechanics of deformation and the reason for sheet bending in the laser bending process with curved irradiating scheme are investigated. The results show that the curved irradiating scheme can properly bend the steel sheet. Also, the effects of laser power, laser scanning speed and laser beam diameter on the average value of displacements of the laser-bent sheet with curved irradiating scheme are investigated. The results show that with increasing the laser power, the average value of displacements of laser-bent sheet with curved irradiating scheme is increased. Also, it is concluded from numerical simulations that with increasing the laser scanning speed, the average value of displacements of laser-bent sheet is decreased. It is proved that with increasing the laser beam diameter, the average value of displacements of laser-bent sheet is decreased.

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References

[1] K. Maji, D. Pratihar, A. Nath, Experimental investigations and statistical analysis of pulsed laser bending of AISI 304 stainless steel sheet, Optics & Laser Technology, Vol. 49, pp. 18-27, 2013.
[2] M. Safari, H. Mostaan, M. Farzin, Laser bending of tailor machined blanks: Effect of start point of scan path and irradiation direction relation to step of the blank, Alexandria Engineering Journal, Vol. 55, No. 2, pp. 1587-1594, 2016.
[3] R. Kant, S.N. Joshi, Thermo-mechanical studies on bending mechanism, bend angle and edge effect during multi-scan laser bending of magnesium M1A alloy sheets, Journal of Manufacturing Processes, Vol. 23, pp. 135-148, 2016.
[4] M. Safari, J. Joudaki, Prediction of bending angle for laser forming of tailor machined blanks by neural network, Iranian Journal of Materials Forming, Vol. 5, No. 1, pp. 47-57, 2018.
[5] B. N. Fetene, V. Kumar, U. S. Dixit, R. Echempati, Numerical and experimental study on multi-pass laser bending of AH36 steel strips, Optics & Laser Technology, Vol. 99, pp. 291-300, 2018.
[6] R. Kant, S.N. Joshi, A Numerical Investigation into the Effect of Forced Convection Cooling on the Performance of Multi-scan Laser Bending Process, in Application of Lasers in Manufacturing, pp. 21-43, Singapore, Springer, 2019.
[7] X. Wang, Y. Shi, Y. Guo, R. Sun, Laser bending and edge effect control of laminated metal composite plate, Chinese Journal of Lasers, Vol. 47, No. 3, pp. 0302004, 2020.
[8] U. Nath, V. Yadav, R. Purohit, Finite element analysis of AM30 magnesium alloy sheet in the laser bending process, Advances in Materials and Processing Technologies, pp. 1-13, 2021.
[9] Y. Zhang, W. Dong, T. Yang, C. Guo, F. Chen, Edge effect reduction in laser bending of DP980 high-strength steel, The International Journal of Advanced Manufacturing Technology, Vol. 119, No. 3, pp. 1965-1973, 2022.
[10] M. Safari, M. Farzin, H. Mostaan, A novel method for laser forming of two-step bending of a dome shaped part, Iranian Journal of Materials Forming, Vol. 4, No. 2, pp. 1-14, 2017.
Iranian Journal of Manufacturing Engineering
Volume 9, Issue 2
May 2022
Pages 1-7

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