Structure and properties of coating of the system SnO₂-In₂O₃-Ag-N formed on copper by the complex method | Izvestiya vuzov. Fizika. 2022. № 1. DOI: 10.17223/00213411/65/1/96

Structure and properties of coating of the system SnO₂-In₂O₃-Ag-N formed on copper by the complex method

The aim of this work is to analyze the structure and properties of coating of the SnO₂-In₂O₃-Ag-N composition formed on copper by a complex method combining electroexplosive spraying, irradiation with a pulsed electron beam, and subsequent nitriding in the plasma of a low-pressure gas discharge. It is shown that the thickness of the coating is ≈ 100 μm. The wear resistance of a coated copper specimen exceeds the wear resistance of uncoated copper by a factor of 2.8. The friction coefficient of coated specimens μ = 0.479 is less than the coefficient of friction of copper without coating μ = 0.679 ± 0.048 by a factor of 1.4. It was found that the hardness of the coating increases as it approaches the substrate and reaches a maximum value of ≈ 1400 ± 98 MPa (the hardness of the substrate is 1270 MPa). Micro X-ray spectral analysis showed that the main chemical element of the coating is silver; copper, tin, indium, oxygen and nitrogen are present in much smaller amounts. It was established by X-ray phase analysis that the main phases of the coating are solid solutions based on copper and silver.

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Keywords

coating, complex method, electroexplosive spraying, nitriding, pulsed electron beam, structure, properties

Authors

Name	Organization	E-mail
Ivanov Yu.F.	Institute of High Current Electronics SB RAS	yufi55@mail.ru
Pochetukha V.V.	Siberian State Industrial University	v.pochetuha@mail.ru
Romanov D.A.	Siberian State Industrial University	romanov_da@physics.sibsiu.ru
Gromov V.E.	Siberian State Industrial University	gromov@physics.sibsiu.ru
Peregudov O.A.	Omsk State Technical University	olegomgtu@mail.ru

Всего: 5

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