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Title | Deposition and Characterization of NiCoCrAlY Coatings by Multi-chamber Detonation Sprayer |
Authors |
Kovaleva, M.G.
Tyurin, Y.N. Arseenko, M.Y. Prozorova, M.S. Sirota, V.V. Beresnev, B.M. Pavlenko, I.A. Mamunin, K.N. |
ORCID | |
Keywords |
Detonation Sprayer Powder Coating Microstructure Porosity hardness |
Type | Article |
Date of Issue | 2014 |
URI | http://essuir.sumdu.edu.ua/handle/123456789/37215 |
Publisher | Sumy State University |
License | |
Citation | Proc. NAP 3, 02NNSA12 (2014) |
Abstract |
In this study, multi-chamber detonation sprayer (MCDS) was applied for deposition of NiCoCrAlY powder coatings (60-65 mm thick) on nickel base superalloy JS6U (Russia). Powder RPCoCr27Al7Si3Y was used to deposit of a coating. The coating microstructures and phase compositions were characterized using SEM, OM and XRD techniques. Measurement of the microhardness of samples was done with a micro-hardness tester DM – 8B using a Vickers’s indenter with load on of 0.01 N. It was established that MCDS has provided the conditions for formation of a dense layer with porosity below 1% and microhardness of 1100 ± 250 HV0.1. |
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Наукові видання (ЕлІТ) |
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