Functional-gradient coatings of the HfB2–Si3N4 system with high wear resistance obtained by supersonic cold gas-dynamic spraying

Authors :: T. I. Bobkova
R. Yu. Bystrov
A. F. Vasiliev
D. A. Gerashchenkov
M. E. Goshkoderya
A. M. Makarov
B. V. Farmakovsky
Source :: Voprosy Materialovedeniya. :96-100
Publication Year :: 2022
Publisher :: FSUE CRISM Prometey, 2022.
Abstract: The results of comprehensive studies of obtaining functionally graded coatings based on HfB2– Si3N4–Zr compositions using the technology of supersonic cold gas-dynamic spraying are presented. Data are given on the measurement of adhesive strength (up to 62 MPa), microhardness (up to 42 GPa) and wear resis- tance (up to 1.2·10–9 mm/km) of the obtained coatings.

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