DOI: https://doi.org/10.32347/2410-2547.2019.102.150-158

Control of the strength properties of welded connections in the manufacture of building steel structures

Ivan Datsenko, Volodymyr Kotsiuruba, Volodymyr Mirnenko, Ivan Tkach, Stanislav Tryhubenko, Mykhailo Shyshanov

Abstract


As is well known in construction, mechanized welding with self-shielded cored wire has found wide application. In this case, welding methods that are used do not always allow to realize the potential that is laid in this group of welding materials. In addition, modern welding methods are characterized by a large heat input in parts and welded joints. In this regard, in the article ways to improve the technological capabilities of mechanized welding with flux-cored wire by introducing modulated current into the production of building steel structures are discussed.

Keywords


welding; self-shielded flux-cored wire; arc; stress; current strength; wire feed; welded joint; heat-affected zone; metal structure; strength

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References


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