Controlling the process of mechanised carbon dioxide welding using the parameters of electrode metal transfer

Лебедев, В. А.; Kuzmin, I. S.; Novgorodskii, V. G.; Pichak, V G

doi:10.1080/09507110209549630

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2021

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“…The results of works [8,9] indicate that the pulse feed of the electrode or the creation of transverse low-frequency (up to 150 Hz) electrode oscillations increase the arc stability, improve the geometry and structure of the weld. It was also found that high-frequency (500-1000 Hz) lowamplitude (about 130 µm) transverse pulse displacements of the electrode contribute to a decrease in the penetration depth during automatic surfacing [10].…”

Section: Introductionmentioning

confidence: 99%

Research of the Microstructure of the Deposited Layer during Electric Arc Surfacing with Control Impacts

Ivanov

Lavrova

Kibish

et al. 2021

MSF

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Electric arc surfacing is widely used for the application of protective and restorative coatings on units and parts of metallurgical production equipment in order to increase their durability in harsh operating conditions and in an aggressive environment. Increasing the efficiency of melting the electrode material is an important task, since it allows one to reduce the required volume of deposited metal and the cost of surfacing. In addition, when surfacing by traditional technology of parts with a complex shape of the working surface, it was found that the deposited layer can contain such defects as single gas and line pores, as well as slag inclusions. The work is devoted to the study of improving the surfacing technology by controlling heat input into the base metal using controlled mechanical actions.

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Section: Introductionmentioning

confidence: 99%