Butt welding of thin sheets of S960MC steel | Zendy

MiloÅ¡ MiÄian | Zendy; Martin FrÃ¡trik | Zendy; Libor TrÅ¡ko | Zendy; Marek Gucwa | Zendy; Jerzy Winczek | Zendy; Łukasz Skroński | Zendy

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Butt welding of thin sheets of S960MC steel

Author(s) -

MiloÅ¡ MiÄian,

Martin FrÃ¡trik,

Libor TrÅ¡ko,

Marek Gucwa,

Jerzy Winczek,

Łukasz Skroński

Publication year - 2021

Publication title -

welding technology review

Language(s) - English

Resource type - Journals

eISSN - 2449-7959

pISSN - 0033-2364

DOI - 10.26628/wtr.v93i2.1130

Subject(s) - welding , materials science , ultimate tensile strength , metallurgy , heat affected zone , butt joint , joint (building) , composite material , indentation hardness , butt welding , microstructure , structural engineering , engineering

The paper presents the application of MAG welding to TMCP steels (thermo-mechanically controlled processed) grade S960MC and 3 mm thick. In the analyzed joints, the research focused on their mechanical properties and changes in the heat-affected zone (HAZ) that occur in this type of steels. The hardness and tensile strength tests carried out showed a significant decrease in the properties of the joint compared to the declared values of the base material and the filler material used in the tests. In the case of hardness, it was a decrease of 34% in HAZ and by 15-21% in relation to the strength limit. Changes in HAZ properties of a joint correlate with changes in its structure.

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