Technical Physics Letters
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- 2025
- 2024
- 2023
- 2022
Tribological and electrical properties of a dispersion-hardened copper-matrix coating deposited using cold spray
Shikalov V. S.
1, Vidyuk T. M.
1
1Khristianovich Institute of Theoretical and Applied Mechanics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
Email: v.shikalov@gmail.com
A comparative study of tribological and electrical properties of copper and copper-tungsten coatings obtained by cold spraying was conducted. It was shown that embedment of hardening tungsten particles into the copper matrix coating allows significant reduction of the specific wear rate of the obtained composite under dry friction conditions. The presence of hardening particles in the copper matrix does not significantly affect the friction coefficient, wear mechanisms and specific electrical conductivity of the composite coating. Keywords: cold spray, copper matrix coating, wear rate, friction coefficient.
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