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Microstructure and cavitation erosion performance of nickel-Inconel 718 composite coatings produced with cold spray

Authorized Users Only
2020
Authors
Kazasidis, Marios
Yin, Shuo
Cassidy, Jonathan
Volkov-Husović, Tatjana
Vlahović, Milica
Martinović, Sanja
Kyriakopoulou, Elena
Lupoi, Rocco
Article (Published version)
,
Elsevier
Metadata
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Abstract
The cold spray technique was employed in this study to produce pure nickel (Ni) and nickel-Inconel 718 powder deposits on duplex stainless steel substrates. High quality coatings were manufactured using nitrogen as the propellant gas. The coatings exhibited satisfactory Inconel 718 (In718) retention within the Ni matrix due to the highly ductile binder phase necessary for fabrication. The characterization of the coating microstructures was implemented by means of X-ray diffraction, electron microscopy, energy-dispersive X-ray spectroscopy, and microhardness testing. In addition, the erosion resistance of both coatings was evaluated by performing cavitation erosion tests, with the analysis of the eroded surfaces revealing different erosion mechanisms for each coating. The results demonstrated the efficiency of the cold spray technique for use in the production of metal-metal matrix composite coatings and the potential of In718 use in applications which demand enhanced cavitation erosion... resistance.

Keywords:
Cold spray / Nickel / Inconel 718 / Cavitation erosion / Coating
Source:
Surface and Coatings Technology, 2020, 382, 125195-
Publisher:
  • Elsevier BV
Projects:
  • SchuF Valve Technology GmbH : IP2018 0730
  • Synthesis, processing and characterization of nanostructured materials for application in the field of energy, mechanical engineering, environmental protection and biomedicine (RS-45012)
  • Implementation of new technical, technological and environmental solutions in the mining and metallurgical operations RBB and RBM (RS-33007)
Note:
  • The peer-reviewed version: http://cer.ihtm.bg.ac.rs/handle/123456789/3387

DOI: 10.1016/j.surfcoat.2019.125195

ISSN: 0257-8972

WoS: 000509631200007

Scopus: 2-s2.0-85076004015
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URI
http://cer.ihtm.bg.ac.rs/handle/123456789/3274
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