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Effect of Deposition Parameters on Indentation Fracture Toughness of Cermet HVOF Coatings

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Abstract:

This study investigates the indentation fracture toughness (IFT) of six HVOF-applied cermet coatings. The materials tested were WC-42CrC-16Ni and Cr3C2-37WC-18NiCoCr. For each material, three coatings were produced using varying deposition parameters. IFT was measured under a 100 N load, and the KiC values were calculated using the method proposed by Chicot. For the Cr3C2-37WC-18M coating, the KiC value increased with higher oxygen and kerosene flow rates. Conversely, for the WC-42CrC-16Ni coating, higher KiC values were observed at lower oxygen and kerosene flow rates.

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Periodical:

Solid State Phenomena (Volume 379)

Pages:

79-84

DOI:

https://doi.org/10.4028/p-5vVJBK

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Online since:

November 2025

Authors:

Josef Duliškovič*, Šárka Houdková, Marek Vostřák

Keywords:

Cermet Coating, HVOF, IFT, Indentation, Thermal Spraying

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© 2025 Trans Tech Publications Ltd. All Rights Reserved

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* - Corresponding Author

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