Protective Heterophase Coatings Produced by Electrospark Deposition and High-Power Impulse Magnetron Sputtering

In order to increase the service life of critical products made of refractory metals, the most effective is the use of protective coatings based on oxidation-resistant ceramic materials. Using an electrode/target made of heterophase HfSi 2 –MoSi 2 –HfB 2 ceramics by electrospark deposition (ESD), hi...

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Bibliographic Details
Published in:Surface engineering and applied electrochemistry 2024-08, Vol.60 (4), p.607-617
Main Authors: Zamulaeva, E. I., Kudryashov, A. E., Kiryukhantsev-Korneev, Ph. V., Bashkirov, E. A., Mukanov, S. K., Pogozhev, Yu. S., Levashov, E. A.
Format: Article
Language:English
Subjects:
Engineering
Machines
Manufacturing
Processes
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Summary:In order to increase the service life of critical products made of refractory metals, the most effective is the use of protective coatings based on oxidation-resistant ceramic materials. Using an electrode/target made of heterophase HfSi 2 –MoSi 2 –HfB 2 ceramics by electrospark deposition (ESD), high-power impulse magnetron sputtering (HIPIMS) technologies, as well as the combined ESD + HIPIMS technology, coatings were deposited onto molybdenum substrate (MCh-1 brand). Electrode materials and coatings were studied by the X-ray diffraction, the glow discharge optical emission spectroscopy, the X-ray spectral microanalysis, and the scanning electron microscopy. Combined ESD + HIPIMS technology made it possible to create a hard layer of oxidation-resistant ceramics on the surface of the substrate, which does not produce through cracks inherent in ESD coatings.
ISSN:1068-3755
1934-8002
DOI:10.3103/S1068375524700182