Issues »  Volume 37, Issue 6

Effect of Active Chemical Elements of Lubricating Fluids on Forming and Characteristics of Wear-Resistant Superdispersed and Nanostructured Surface Friction Layers of Steels

V. V. Tykhonovych

G. V. Kurdyumov Institute for Metal Physics, NAS of Ukraine, 36 Academician Vernadsky Blvd., UA-03142 Kyiv, Ukraine

Received: 18.08.2014; final version - 15.04.2015. Download: PDF

Wear-resistant surface layers of friction are the product of multiple layers on the contacting surfaces adjacent to the contact-patch microvolumes of the metal. Severe plastic deformation of the layering metal leads to fragmentation of its structure, dissolution of carbide phase existing in the initial metal, and saturation of metal with oxygen from the water-working environment. Introduction of concentrates of lubrication-cooling liquids to water leads to an additional saturation of layering metal with carbon, phosphorus, sulphur, and chlorine atoms. This leads to the effect of introduction of the ‘Aquol-15P’ and ‘Sintal-2’ lubrication-cooling liquid concentrates to water that increases the thickness of the wear-resistant surface layers of friction by 6—8 times and reduces the time required for transition of friction pairs into stationary mode with minimum wear and coefficient of friction by 1.5—2 times. Saturation of friction wear-resistant surface layers with sulphur and phosphorus atoms decreases their resistance to destruction under thermomechanical impact loads. Saturation of friction wear-resistant surface layers with chlorine atoms does not decrease their fracture toughness.

Key words: friction, nanostructure, superdispersed structure, pulsed thermomechanical effects, lubrication-cooling liquids.

URL: http://mfint.imp.kiev.ua/en/abstract/v37/i06/0817.html

DOI: https://doi.org/10.15407/mfint.37.06.0817

PACS: 06.60.Vz, 62.20.Qp, 68.35.Ct, 81.07.Bc, 81.16.Rf, 81.40.Pq, 82.80.Pv

Citation: V. V. Tykhonovych, Effect of Active Chemical Elements of Lubricating Fluids on Forming and Characteristics of Wear-Resistant Superdispersed and Nanostructured Surface Friction Layers of Steels, Metallofiz. Noveishie Tekhnol., 37, No. 6: 817—837 (2015) (in Russian)

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