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Назив: Analysis of influence of thewelding procedure on impact toughness of welded joints of the high-strength low-alloyed steels
Аутори: Ilic A.
Miletic, Ivan
Nikolic, Ruzica
Vesna, Marjanović
Ulewicz, Robert
Stojanovic, Blaza
Ivanović, Lozica
Датум издавања: 2020
Сажетак: © 2020 by the authors. This paper presents results of comparison of two welding procedures' influence on selected properties of the welded joints of high-strength low-alloyed steel (HSLA), specifically the impact toughness and the hardness distribution in the specific zones of single V butt multiple-pass welded joints. Based on results obtained from experiments, the two applied welding technologies were evaluated. They differ by the welding grove geometry and by the applied root pass welding procedure. Both procedures use MAG (Metal Active Gas) welding for execution of the filling and covering passes, while the root passes are executed by the MMA (Manual Metal Arc) procedure in the first case and by the MIG (Metal Inert Gas) procedure in the second. Experimentally obtained values of the fracture energy of the welded samples for both procedures were smaller than the values for the parent metal, which confirms the fact that welding causes degradation of the mechanical properties of HSLA steel; thus, any welding technology parameters must be so selected to mitigate this deficiency.
URI: https://scidar.kg.ac.rs/handle/123456789/12880
Тип: article
DOI: 10.3390/app10072205
SCOPUS: 2-s2.0-85083588113
Налази се у колекцијама:Faculty of Engineering, Kragujevac

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