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|Title:||Analysis of selected properties of welded joints of the HSLA Steels|
|Abstract:||© 2020 by the authors. This paper presents research of the impact toughness and hardness distribution in specific zones of a 'single V'butt multiple-pass welded joints of the high-strength low-alloyed steels. Obtained values of the impact toughness are analyzed in correlation with a microstructure in specific zones of the welded joint, together with the micro hardness distribution found in the related zones. Based on the carried out analysis and results obtained in experiments, the applied technology of welding was evaluated. The original conclusions on influence of the selected welding procedure manual metal arc (MMA) for the root passes and metal active gas (MAG) for the filling and covering passes) on impact toughness of the high-strength low-alloyed steels are drawn. The paper also presents discussion on the valid standards and recommendations related to welding of those steels, from the aspect of applications in design of steel welded constructions.|
|Appears in Collections:||Faculty of Engineering, Kragujevac|
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