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The influence of pulse-plasma treatment on the phase composition and hardness of Fe-TiB2-CrB2 coatings
Author(s) -
Aidar Kengesbekov,
Bauyrzhan Rakhadilov,
Yu. N. Tyurin,
Nurtoleu Magazov,
М. К. Кылышканов,
Zhuldyz Sagdoldina
Publication year - 2021
Publication title -
eurasian journal of physics and functional materials
Language(s) - English
Resource type - Journals
eISSN - 2616-8537
pISSN - 2522-9869
DOI - 10.32523/ejpfm.2021050209
Subject(s) - coating , materials science , phase (matter) , carbide , indentation hardness , hardness , plasma , layer (electronics) , surface roughness , composite material , detonation , microstructure , metallurgy , chemistry , physics , organic chemistry , quantum mechanics , explosive material
This work are presented the research results of pulse plasma treatment influence on the phase composition, hardness, roughness and element composition of coatings on the bases of Fe-TiB2-CrB2. The Fe-TiB2-CrB2 coating was deposited by detonation method. The following pulse-plasma treatment was used to modify the structure and properties of the surface layers of the sprayed coating. The results of mechanical experiments showed that the hardness of Fe-TiB2-CrB2 coating increased after the treatment. On the basis of the X-ray analysis, it has been established that the increase of coating hardness is connected with phase transformations in a surface layer, in particular, with formation of oxide phases and increase of carbide particles quantity.

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