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High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes
SJR: 0.19 SNIP: 0.341 CiteScore™: 0.43

ISSN Druckformat: 1093-3611
ISSN Online: 1940-4360

High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes

DOI: 10.1615/HighTempMatProc.2019030185
pages 97-105

FORMATION OF HARD AND WEAR-RESISTANT NIOBIUM CARBIDE COATINGS ON HARD-ALLOY TOOLS BY A VACUUM–ARC METHOD

Andrej K. Kuleshov
Belarussian State University, 4 Nezavisimosti Ave., Minsk, 220030, Belarus
Vladimir V. Uglov
Belarusian State University, 4 Nezavisimost Ave., Minsk, 220030, Belarus; National Research Tomsk Polytechnic University, 2a Lenin Ave., Tomsk, 634028, Russia
V. M. Anishchik
Belarussian State University, 4 Nezavisimost Ave., Minsk, 220030, Belarus
V. A. Firago
Belarussian State University, 4 Nezavisimost Ave., Minsk, 220030, Belarus
D. P. Rusalski
Belarusian State University, 4 Nezavisimost Ave., Minsk, 220030, Belarus
Alexander A. Malashevich
Belarusian State University, 4 Nezavisimost Ave., Minsk, 220030, Belarus
I. A. Sakovich
Belarussian State University, 4 Nezavisimost Ave., Minsk, 220030, Belarus

ABSTRAKT

The temperature fields of a hard-alloy tool surface during niobium ion impact were determined by thermography. The temperature of the surface layers reaches a maximum value of 1100–1250°C after exposure of 40 s to Nb ion, and it does not change with increase in the exposure time to 1 min. Ion exposure for 1 min leads to the formation of a carbide layer (Nb, W)C0.7, in the surface layer with a thickness of about 0.4 μm. Subsequent plasma deposition of Nb in methane atmosphere forms an NbC coating. The hardness of the formed niobium-based and tungsten carbide-based layers reaches 35–65 GPa. Adhesive resistance to cracking and destruction of NbC coatings with a sublayer of (Nb, W)C0.7 increases at least 2 times compared to an NbC coating.

REFERENZEN

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  2. Bouzakis, K., Michailidis, N., Skordarisa, G., Bouzakis, E., Biermann, D., and M'Saoubi, Cutting with Coated Tools: Coating Technologies, Characterization Methods and Performance Optimization, CIRP Annals, Manufact. Technol., vol. 61, pp. 703-723, 2012.

  3. Firago, V. and Wojcik, W., High-Temperature Three-Color Thermal Imager, Przeglqd Elektrotechniczny, vol. 91, no. 2, pp. 208-214, 2015.

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  5. Kuleshov, A.K., Uglov, V.V., Anishchik, V.M., and Rusalsky, D.P., Formation of Hard and Wear-Resistant Nb-C, NbC-Cu Coatings on Wood-Cutting Tool by Cathode Arc Plasma Deposition, in Advanced Methods and Technologies of Materials Development and Processing. Collection of Scientific Papers, A.V. Byeli, Ed., Minsk: PTI NAS of Belarus, vol. 2, pp. 141-151, 2017 (in Russian).

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