Optical-Mathematical Analysis of Structuration Modeling of Hardened Surfaces of Piston Rings during Operation

Issues » Volume 41, Issue 3

T. S. Skoblo$^{1}$, A. I. Sidashenko$^{1}$, I. E. Garkusha$^{2}$, V. S. Taran$^{2}$, R. M. Muratov$^{2}$, T. V. Mal’tsev$^{1}$

$^{1}$Kharkiv Petro Vasylenko National Technical University of Agriculture, 44 Alchevskykh Str., 61002 Kharkiv, Ukraine
$^{2}$National Science Center ‘Kharkiv Institute of Physics and Technology’, NAS of Ukraine, 1 Akademichna Str., UA-61108 Kharkiv, Ukraine

Received: 27.12.2018. Download: PDF

The influence of the technology of piston rings’ strengthening by multilayer ion-plasma TiN/CrN coating is studied. The peculiarities of their wear at the sliding speed of 1.3 m/s, which contributes to the maximum changes, are revealed. As shown, under these test conditions, as a result of hardening, wear resistance is increased by 15 times. The method of optical-mathematical analysis reveals the features of the friction surface structuring, which have the form of transverse and longitudinal bands. Wide transverse bands ($\sim$ 20 $\mu$m) are typical for the friction zone between rings and TiN/CrN coating and they determine a high degree of wear resistance.

Key words: piston rings, ion-plasma coating, optical-mathematical analysis, structuring, friction tests.

URL: http://mfint.imp.kiev.ua/en/abstract/v41/i03/0349.html

DOI: https://doi.org/10.15407/mfint.41.03.0349

PACS: 07.05.Pj, 62.20.Qp, 81.05.Bx, 81.15.Jj, 81.40.Pq, 81.65.Lp, 81.70.Fy

Citation: T. S. Skoblo, A. I. Sidashenko, I. E. Garkusha, V. S. Taran, R. M. Muratov, and T. V. Mal’tsev, Optical-Mathematical Analysis of Structuration Modeling of Hardened Surfaces of Piston Rings during Operation, Metallofiz. Noveishie Tekhnol., 41, No. 3: 349—362 (2019) (in Russian)

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