A Finite Element Study of Buckling and Upsetting Mechanisms in Laser Forming of Plates and Tubes

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Author(s): M. S. Che Jamil (The University of Manchester, UK), M. A. Sheikh (The University of Manchester, UK)and L. Li (The University of Manchester, UK)
Copyright: 2013
Pages: 17
Source title: Dynamic Methods and Process Advancements in Mechanical, Manufacturing, and Materials Engineering
Source Author(s)/Editor(s): J. Paulo Davim (University of Aveiro, Portugal)
DOI: 10.4018/978-1-4666-1867-1.ch008

Keywords: Engineering Science Reference / Mechanical Engineering / Science & Engineering

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Abstract

Laser beam forming has emerged as a viable technique to form sheet metal by thermal residual stresses. Although it has been a subject of many studies, its full industrial application is not yet established. This article aims to complement the existing research in the area of laser forming in order to gain a better understanding of the process. A numerical investigation of laser forming of stainless steel sheets has been carried out and validated experimentally using a High Power Diode Laser (HPDL). Three processing parameters are tested; laser power, beam diameter and plate thickness. Also, laser bending of stainless steel tube is simulated and compared against the published experimental data. The main underlying mechanisms of laser forming are demonstrated through the simulations.

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A Finite Element Study of Buckling and Upsetting Mechanisms in Laser Forming of Plates and Tubes

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