Fracture Toughness of HVOF Sprayed Cermet Coatings Measured by Vickers Indentation

Šárka Houdková; František Zahálka; Michaela Kašparová

doi:10.4028/www.scientific.net/KEM.465.475

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 465Fracture Toughness of HVOF Sprayed Cermet Coatings...

Fracture Toughness of HVOF Sprayed Cermet Coatings Measured by Vickers Indentation

Abstract:

In the paper, the indentation fracture toughness of the HVOF sprayed WC-12%Co coatings is determined by the Vickers indentation test in dependence on used load. The relations, proposed by Chicot, were used to calculate the value of KIc at condition of the Palmqvist, Intermediate and Radial-median cracking mode. The applicability of using different equations is discussed with respect to the size indentation effect of IFT.

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Periodical:

Key Engineering Materials (Volume 465)

Pages:

475-478

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.465.475

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Online since:

January 2011

Authors:

Šárka Houdková, František Zahálka, Michaela Kašparová

Keywords:

HVOF, IFT, Indentation, Thermal Spray, WC-Co

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