MICROSTRUCTURE AND MECHANICAL PROPERTIES OF ALUMINA POWDER COATINGS BY A NEW MULTI-CHAMBER DETONATION SPRAYER

M. S. Prozorova, M. G. Kovaleva, M. Yu. Arseenko, M. N. Yapryntsev, Yu. N. Tyurin, O. V. Kolisnichenko, N. Ya. Vasilik, V. V. Sirota, I. A. Pavlenko and K. N. Mamunin
Additional contact information
M. S. Prozorova: Joint Research Centre “Diagnostics of Structure and Properties of Nanomaterials”, Belgorod National Research University, Pobedy 85, Belgorod 308015, Russia
M. G. Kovaleva: Joint Research Centre “Diagnostics of Structure and Properties of Nanomaterials”, Belgorod National Research University, Pobedy 85, Belgorod 308015, Russia
M. Yu. Arseenko: Joint Research Centre “Diagnostics of Structure and Properties of Nanomaterials”, Belgorod National Research University, Pobedy 85, Belgorod 308015, Russia
M. N. Yapryntsev: Joint Research Centre “Diagnostics of Structure and Properties of Nanomaterials”, Belgorod National Research University, Pobedy 85, Belgorod 308015, Russia
Yu. N. Tyurin: Paton Institute of Electric Welding, National Academy of Sciences of Ukraine, Kiev 03650, Ukraine
O. V. Kolisnichenko: Paton Institute of Electric Welding, National Academy of Sciences of Ukraine, Kiev 03650, Ukraine
N. Ya. Vasilik: N. N. Semenov Institute of Chemical Physics, Russian Academy of Sciences, Kosygina 4, Moscow 117977, Russia
V. V. Sirota: Centre for Constructional Ceramics and the Engineering Prototyping, Belgorod State National Research University, Pobedy 85, Belgorod 308015, Russia
I. A. Pavlenko: Centre for Constructional Ceramics and the Engineering Prototyping, Belgorod State National Research University, Pobedy 85, Belgorod 308015, Russia
K. N. Mamunin: Centre for Constructional Ceramics and the Engineering Prototyping, Belgorod State National Research University, Pobedy 85, Belgorod 308015, Russia

Surface Review and Letters (SRL), 2016, vol. 23, issue 01, 1-7

Abstract: The dense ceramic coatings based on alumina with hardness of 1100±25 HV0.3 and porosity of less than 1% have been prepared by multi-chamber detonation sprayer (MCDS) with a barrel length of 500mm. The intermetallic compound of type FeAl was revealed in the area of the coating that adjoins the substrate.

Keywords: Alumina coatings; multi-chamber detonation sprayer; microstructure; porosity; hardness; wear resistance (search for similar items in EconPapers)
Date: 2016
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DOI: 10.1142/S0218625X15500882

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