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

Abstract:

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.

• Periodical: Materials Science Forum (Volume 1038)
• Pages: 85-92
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.1038.85
• Online since: July 2021
• Authors: Vitaliy Ivanov, Elena V. Lavrova*, Vladyslav Kibish, Ihor Mamontov
• Keywords: Aggressive Environment, Arc Surfacing, Control Impacts, Deposited Bead, Heat-Affected Zone, Martensitic Wire, Microstructure

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