Phase Composition, Structure, and Wear Resistance of Electric-Explosive CuO–Ag System Coatings after Electron Beam Processing

Electroerosion-resistant CuO–Ag system coatings are obtained via electric explosive spraying and subsequent electron beam processing for the first time. The coatings are a structurally homogeneous composite material consisting of a silver matrix with copper oxide inclusions. The CuO–Ag system coatin...

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Bibliographic Details
Published in:Bulletin of the Russian Academy of Sciences. Physics 2019-10, Vol.83 (10), p.1270-1274
Main Authors: Romanov, D. A., Moskovskii, S. V., Glezer, A. M., Gromov, V. E., Sosnin, K. V.
Format: Article
Language:English
Subjects:
Composite materials
Copper
Copper oxides
Electron beam processing
Hadrons
Heavy Ions
Nonmetallic inclusions
Nuclear Physics
Phase composition
Physics
Physics and Astronomy
Protective coatings
Silver
Spraying
Substrates
Wear resistance
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Summary:Electroerosion-resistant CuO–Ag system coatings are obtained via electric explosive spraying and subsequent electron beam processing for the first time. The coatings are a structurally homogeneous composite material consisting of a silver matrix with copper oxide inclusions. The CuO–Ag system coatings have a wear resistance more than 300% greater than that of copper. The basis of the structural formation of the CuO–Ag system electric-explosive coating is the dynamic rotation of sprayed particles that form a hierarchically organized vortex structure in both the coating and in the upper layers of the substrate, including their interface.
ISSN:1062-8738
1934-9432
DOI:10.3103/S1062873819100174