Effect of Chromium Carbide on the Structure of a Sprayed Metal upon Its Introduction into the Composition of a Filler Flux-Cored Wire Charge

—A scheme of arc spraying with a flux-cored wire in a protecting gas atmosphere using a filler flux-cored wire is considered. In this scheme, a filler wire is fed from the side of the tail part of the welding bath. The filler flux-cored wire charges contain chromium carbide. Chromium carbide is show...

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Bibliographic Details
Published in:Russian metallurgy Metally 2022-12, Vol.2022 (13), p.1836-1841
Main Authors: Kobernik, N. V., Pankratov, A. S., Petrova, V. V., Sorokin, S. P., Galinovskii, A. L., Orlik, A. G., Stroitelev, D. V.
Format: Article
Language:English
Subjects:
Arc spraying
Carbon
Chemistry and Materials Science
Chromium carbide
Electrochemical
Electrophysical
Fillers
Flux cored wires
Materials Science
Metallic Materials
Other Treatment Methods
Welding fluxes
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Summary:—A scheme of arc spraying with a flux-cored wire in a protecting gas atmosphere using a filler flux-cored wire is considered. In this scheme, a filler wire is fed from the side of the tail part of the welding bath. The filler flux-cored wire charges contain chromium carbide. Chromium carbide is shown to decompose during spraying, which leads to alloying of the sprayed metal with chromium and carbon. The use of chromium carbide is found to increase the coefficient of transition of carbon and chromium into the sprayed metal. When ferrochrome is completely replaced with chromium carbide, needlelike chromium carbide forms in the sprayed metal.
ISSN:0036-0295
1555-6255
1531-8648
DOI:10.1134/S0036029522130134