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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.
Appears in Collections: Наукові видання (ЕлІТ)

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