The Influence of Various Modes of Post-Weld Heat Treatment on the Structural and Mechanical Heterogeneity of Welded Joints of Medium Alloy Steels Produced by Rotational Friction Welding

Abstract

Rotational friction welding is one of the promising technologies for the creation of high-quality welded joints, which is widely used in the pipe industry when producing wide nomenclature drill pipes of medium-carbon alloy steels. Despite the long-term application of this method by the Russian enterprises manufacturing this type of products, there are few published data in the scientific literature aimed at the detailed study of structural and mechanical heterogeneity of such compounds, including after various modes of their heat treatment.