| Issue |
MATEC Web Conf.
Volume 357, 2022
25th Polish-Slovak Scientific Conference on Machine Modelling and Simulations (MMS 2020)
|
|
|---|---|---|
| Article Number | 02005 | |
| Number of page(s) | 8 | |
| Section | Modelling and Simulation, Structural Optimization | |
| DOI | https://doi.org/10.1051/matecconf/202235702005 | |
| Published online | 22 June 2022 | |
Analysis of Stress Intensity Factor on Weld Surface
1 Sumy State University, 2 Rymskogo-Korsakova Street, Sumy 40007, Ukraine
2 Department of Applied Mechanics, Faculty of Mechanical Engineering, University of Žilina, Univerzitná 8215/1, 010 08 Žilina, Slovakia
Progressive welding technologies based on high energy density welding process such as electron beam welding allow joining two materials without consumable. The nature of the process is the deposition of energy to the small areas, which leads to the creation of a narrow heat-affected zone (HAZ). Therefore, a prime example of surface weld defects in the case of the beam electron welding technology are cracks in the material. The article is focused on the preparation of a computational model that comprises a precise description of welding joint shape. The accurate model description was acquired using 3D scanning. In the next step, the data are subsequently modified in MATLAB and ADINA for model simplification. The performed analysis of results shows a significant influence of the weld surface on the occurrence of stress concentrations in the weld zone.
© The Authors, published by EDP Sciences, 2022
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