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Nanostructured powders based on aluminum reinforced by silicon nitride designed for spraying of multifunctional strengthened coatings
https://doi.org/10.22349/1994-6716-2019-97-1-65-73
Abstract
The work deals with topical issues such as development of composite nanostructured powder materials. The results of creating powders based on the system “aluminum–nitride of silicon” are presented. Complex investigations of the composition, structure and properties of powder materials, as well as coatings formed on their basis by supersonic cold gas dynamic spraying, were carried out. It has been found that the high-energy treatment of a powder mixture of aluminum with nanofibers of silicon nitride provides the formation of a composite powder in which a new phase of the Si(1-х)AlхO(1-х)Nх type is formed, which additionally increases the hardness in the coatings to be sprayed.
Keywords
composite materials,
nanostructured powders,
supersonic cold gas-dynamic spraying,
composite coatings,
aluminum coatings
Supporting agencies: Experimental studies were performed on the equipment of the laboratory of the Test and Technical Complex of Irradiated and Radionuclide Materials and the Center for Collective Use “Composition, Structure and Properties of Structural and Functional Materials” of the NRC “Kurchatov Institute” – CRISM “Prometey” with financial support of the Ministry of Education and Science of Russian Federation within the framework of the agreement 14.595.21.0004.
About the Authors
T. I. Bobkova
NRC “Kurchatov Institute” – CRISM “Prometey”
Russian Federation
Cand Sc. (Eng)
Russian Federation
Cand Sc. (Eng)
B. V. Farmakovsky
NRC “Kurchatov Institute” – CRISM “Prometey”
Russian Federation
Cand Sc. (Eng)
Russian Federation
Cand Sc. (Eng)
N. A. Sokolova
NRC “Kurchatov Institute” – CRISM “Prometey”
Russian Federation
Russian Federation
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Review
For citations:
Bobkova T.I., Farmakovsky B.V., Sokolova N.A. Nanostructured powders based on aluminum reinforced by silicon nitride designed for spraying of multifunctional strengthened coatings. Voprosy Materialovedeniya. 2019;(1(97)):65-73. (In Russ.) https://doi.org/10.22349/1994-6716-2019-97-1-65-73
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