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Solutions for Increasing the Durability of Metallic Materials to Hydroabrasive Wear Used in the Construction of Hydraulic Turbines

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Abstract:

This paper focuses on the deposition and characterization of tungsten carbide (WC) hard thin films using the plasma jet deposition technique, with special emphasis on their hydroabrasive wear behavior. Tungsten carbide coatings are recognized for their exceptional properties such as high hardness, excellent wear and corrosion resistance, and chemical and thermal stability. The plasma jet deposition technology allows the formation of dense layers, well adhered to the substrate, with precise control over the thickness and microstructure of the deposited layer. The study analyzed process parameters, such as spray distance and particle velocity, which influence the microstructure and performance of the deposited layers. The characterization of the layers was carried out by methods such as scanning electron microscopy (SEM) and the composition was determined with the help of the EDX probe. The tribological properties of the WC layer were also investigated.

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Periodical:

Solid State Phenomena (Volume 379)

Pages:

53-58

DOI:

https://doi.org/10.4028/p-V1edvS

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Online since:

November 2025

Authors:

Catalin Andrei Tugui*, Manuela Cristina Perju, Ionut Mititelu, Ion Aurel Perianu

Keywords:

Hydroabrasive Wear, SEM, Thermal Spraying, Thin Films

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© 2025 Trans Tech Publications Ltd. All Rights Reserved

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