Volume 19, Issue 6 (June 2019)                   Modares Mechanical Engineering 2019, 19(6): 1475-1482 | Back to browse issues page

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Mehrabi Gohari E, Mohammadi M, Nozari M, Bagherpour H. Thermal Analysis of Laser Welding in Joint of Stainless Steel to Low Carbon Steel Using Finite Element Method (FEM). Modares Mechanical Engineering 2019; 19 (6) :1475-1482
URL: http://mme.modares.ac.ir/article-15-19600-en.html
1- Mechanical Engineering Department, Payam-e-Nour University, Tehran, Iran , e.mehrabi@pnu.ac.ir
2- Mechanical Engineering Department, Payam-e-Nour University, Tehran, Iran
Abstract:   (3817 Views)
Welding laser beams is one of the essential parts of in automobile manufacturing used for joining plates. In this paper, for the first time, simulation of of joining stainless steel to low carbon steel was carried out. For this purpose, at first, thermal analysis was carried out by finite element method and of temperature profile and the dimensions of the melting area was gained as results. This was followed by mechanical analysis. The thermal analysis results were stored in a mechanical element as history to obtain the thermal conditions of the material. As results of this analysis, the strain of elastic and plastic as well as the amount of residual stress The results show that low carbon steel passes through in , because of higher thermal conductivity. Also, low carbon steel saves more residual stress due to higher yield stress. For validation of simulated model, two plates of 304 stainless steel with similar parameters the simulated model by laser welding. Comparing the results obtained from the experimental model with the simulated model shows a very good agreement.
Full-Text [PDF 994 kb]   (1889 Downloads)    
Article Type: Original Research | Subject: Welding
Received: 2018/04/30 | Accepted: 2019/02/16 | Published: 2019/06/1

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