Structure and Properties of Coatings Formed by Detonation Spraying of Titanium Powder

Structure and properties of the coatings formed by detonation spraying of titanium powder have been studied at varying the deposition parameters (nature of carrier gas, spraying distance, O2/C2H2 ratio, and the volume of explosive mixture). It is shown that when air is used as the carrier gas the pr...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2017-12, Vol.286 (1), p.12025
Main Authors: Panin, S V, Vlasov, I V, Stankevich, R V, Dudina, D V, Ulyanitsky, V Yu, Batraev, I S
Format: Article
Language:English
Subjects:
Carbon nitride
Carrier gases
Detonation
Explosive hardening
Mechanical properties
Oxynitrides
Physical properties
Powder spraying
Protective coatings
Titanium
Titanium oxides
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Summary:Structure and properties of the coatings formed by detonation spraying of titanium powder have been studied at varying the deposition parameters (nature of carrier gas, spraying distance, O2/C2H2 ratio, and the volume of explosive mixture). It is shown that when air is used as the carrier gas the primary strengthening by the titanium oxide phases is realized. When nitrogen is introduced into the explosive mixture, a more complicated mechanism of hardening is realized due to the formation of titanium oxides, carbides, oxynitrides and carbonitrides. The aspects of employing the revealed "rational" modes of the detonation spraying for formation of protective composite coatings based on titanium possessing a complex of improved physical and mechanical properties are discussed.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/286/1/012025