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

T. S. Skoblo1, A. I. Sidashenko1, I. E. Garkusha2, V. S. Taran2, R. M. Muratov2, T. V. Mal’tsev1

1Kharkiv Petro Vasylenko National Technical University of Agriculture, 44 Alchevskykh Str., 61002 Kharkiv, Ukraine
2National 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 ( 20 μm) 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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