Comparison of PEO-coatings of zirconium alloy in calcium acetate-based electrolytes

Mukaeva, V. R.; Фаррахов, Р. Г.; Sharipov, Arseny; Astanin, V. V.; Stotskiy, Andrey; Gorbatkov, M. V.; Ramazanov, I A; Mescheryakova, Ekaterina S.; Парфенов, Е.В.

doi:10.1063/5.0071780

Cited by 1 publication

(1 citation statement)

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“…Technologies for plasma-electrolytic treatment have found applications in applying protective ceramic coatings onto the surfaces of metals of the valve group, polishing metal surfaces, and forming hardened diffusion layers on steel and titanium alloys [2][3][4][5][6][7][8][9].…”

Section: Introductionmentioning

confidence: 99%

The Effect of Plasma–Electrolytic Nitrocarburizing of a Medium Carbon Steel Surface on Friction and Wear in Pair with Tin–Lead Bronze

Borisov,

Mukhacheva,

Kusmanov

et al. 2023

Metals

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The possibility of increasing the durability of steel pins working against bronze bushings through plasma–electrolytic nitrocarburizing of the surface of medium carbon steel is shown. The phase composition, microhardness, morphology, and surface roughness were studied. Tribological tests were carried out under dry friction conditions according to the shaft-pad scheme. It has been established that plasma–electrolytic nitrocarburizing of the surface of medium carbon steel at a temperature of 700 °C for 5 min leads to a decrease in the friction coefficient by 2.3 times, the weight wear of steel by 24.9 times, and the wear of the bronze counterbody by 5.9 times. At the same time, the contact stiffness increases by 2.6 times. Type of wear: wear with dry friction and plastic contact. The changes in tribological characteristics are associated with the high hardness of the hardened steel surface combined with the effect of dispersed nitrides and iron carbonitrides.

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