Structural-phase states and properties of coatings welded onto steel surfaces using powder wires

E. V. Kapralov, S. V. Raykov, E. A. Budovskikh, V. E. Gromov, E. S. Vashchuk, Yu F. Ivanov

Research Center for Physical Materials Science and Composite Materials

Research output: Contribution to journal › Article

Abstract

Structural-phase states and mechanical properties of coatings welded onto Hardox 400 steel using En-DOtecDO*30, EnDOtecDOtec*33, and SK A 70-G weld wires are investigated via X-ray structural analysis, optical and scanning electron microscopy, and measuring microhardness, wear resistance, and friction coefficients. It is shown that the coatings had microhardnesses and wear resistances were higher than those of their substrate by factors of 2–3 and 2, respectively, while the friction coefficients of coatings were lower than those of the substrates by a factor of 1.2. Hardening was due to the formation of disperse structures containing up to 40 vol % of Fe₃C, Fe₂₃(C, B)₆, NbC, Fe₃B, and Fe₃Si_0.97 particles.

Original language	English
Pages (from-to)	1015-1021
Number of pages	7
Journal	Bulletin of the Russian Academy of Sciences: Physics
Volume	78
Issue number	10
DOIs	https://doi.org/10.3103/S1062873814100098
Publication status	Published - 1 Jan 2014

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ASJC Scopus subject areas

Physics and Astronomy(all)

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Kapralov, E. V., Raykov, S. V., Budovskikh, E. A., Gromov, V. E., Vashchuk, E. S., & Ivanov, Y. F. (2014). Structural-phase states and properties of coatings welded onto steel surfaces using powder wires. Bulletin of the Russian Academy of Sciences: Physics, 78(10), 1015-1021. https://doi.org/10.3103/S1062873814100098

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abstract = "Structural-phase states and mechanical properties of coatings welded onto Hardox 400 steel using En-DOtecDO*30, EnDOtecDOtec*33, and SK A 70-G weld wires are investigated via X-ray structural analysis, optical and scanning electron microscopy, and measuring microhardness, wear resistance, and friction coefficients. It is shown that the coatings had microhardnesses and wear resistances were higher than those of their substrate by factors of 2–3 and 2, respectively, while the friction coefficients of coatings were lower than those of the substrates by a factor of 1.2. Hardening was due to the formation of disperse structures containing up to 40 vol {\%} of Fe3C, Fe23(C, B)6, NbC, Fe3B, and Fe3Si0.97 particles.",

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AU - Kapralov, E. V.

AU - Raykov, S. V.

AU - Budovskikh, E. A.

AU - Gromov, V. E.

AU - Vashchuk, E. S.

AU - Ivanov, Yu F.

PY - 2014/1/1

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N2 - Structural-phase states and mechanical properties of coatings welded onto Hardox 400 steel using En-DOtecDO*30, EnDOtecDOtec*33, and SK A 70-G weld wires are investigated via X-ray structural analysis, optical and scanning electron microscopy, and measuring microhardness, wear resistance, and friction coefficients. It is shown that the coatings had microhardnesses and wear resistances were higher than those of their substrate by factors of 2–3 and 2, respectively, while the friction coefficients of coatings were lower than those of the substrates by a factor of 1.2. Hardening was due to the formation of disperse structures containing up to 40 vol % of Fe3C, Fe23(C, B)6, NbC, Fe3B, and Fe3Si0.97 particles.

AB - Structural-phase states and mechanical properties of coatings welded onto Hardox 400 steel using En-DOtecDO*30, EnDOtecDOtec*33, and SK A 70-G weld wires are investigated via X-ray structural analysis, optical and scanning electron microscopy, and measuring microhardness, wear resistance, and friction coefficients. It is shown that the coatings had microhardnesses and wear resistances were higher than those of their substrate by factors of 2–3 and 2, respectively, while the friction coefficients of coatings were lower than those of the substrates by a factor of 1.2. Hardening was due to the formation of disperse structures containing up to 40 vol % of Fe3C, Fe23(C, B)6, NbC, Fe3B, and Fe3Si0.97 particles.

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10.3103/S1062873814100098