The Paton Welding Journal, 2021, №12



2021 №12 (04)

DOI of Article 10.37434/tpwj2021.12.05

2021 №12 (06)

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The Paton Welding Journal, 2021, #12, 29-35 pages

Producing and properties of detonation coatings based on FeMoNiCrB amorphizing alloy with addition of strengthening phases

Yu.S. Borysov, A.L. Borysova, T.V. Tsymbalista, A.I. Kildiy, K.V. Yantsevych, Z.G. Ipatova

E.O. Paton Electric Welding Institute of the NASU. 11 Kazymyr Malevych Str., 03150, Kyiv, Ukraine. E-mail: borisov@paton.kiev.ua

Abstract
The structure and properties of amorphizing composite detonation coatings based on FeMoNiCrB alloy were studied. FeMoNiCrB + ZrB2, FeMoNiCrB + (Ti, Cr)C, FeMoNiCrB + FeTiO3 composite powders were used for coatings deposition, which were produced from a mixture of the composition powders by mechanical alloying. It is found that as a result of detonation spraying of all the powder compositions, the formed coatings have dense, lamellar, multiphase structure. The coating composition includes Fe(Ni, Cr) solid solutions, Mo2FeB2 and Fe2B borides, dispersed inclusions of alloying additives (ZrB2, (Ti, Cr)C, FeTiO3) and oxides (ZrO2 and FeCr2O4 or Fe2O3, or Fe3O4), as well as an amorphous phase, the amount of which in the coating structure has increased, as a result of the detonation spraying process. The values of microhardness, corrosion resistance, fatigue life and wear resistance of the composite detonation coatings are given.
Keywords: detonation spraying, composite powders, amorphizing iron alloy, zirconium boride, titanium-chromium carbide, iron titanate, coating, corrosion resistance, wear resistance

Received 12.10.2021
Accepted: 24.12.2021

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Suggested Citation

Yu.S. Borysov, A.L. Borysova, T.V. Tsymbalista, A.I. Kildiy, K.V. Yantsevych, Z.G. Ipatova (2021) Producing and properties of detonation coatings based on FeMoNiCrB amorphizing alloy with addition of strengthening phases. The Paton Welding J., 12, 29-35.

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