Issues »  Volume 37, Issue 9

Gradient Relaxation of Steel Surface within the Zone of Hertzian Contact During Friction

O. O. Mishchuk, O. V. Telemko

‘MASMA’ Research Institute of Oil-Refining and Petrochemical Industry, 46 Academician Palladin Ave., 03680 Kyiv-142, Ukraine

Received: 26.06.2015. Download: PDF

By means of the methods of microprobe Auger electron spectroscopy, scanning electron and optical microscopies, the friction surface of steel is investigated. The sample is removed from the zone of worn Hertzian point contact when the well-known effect of tribostructure formation as complex surface layers ‘mixed layer (adhesive layer, etc.)—diffusive pre-surface sublayer’ takes place. To analyse the nanograins, the differentiation (gradient) of the elemental density characteristics of surface layer is used. The interrelation between the generated gradient structure and mechanically activated tempering processes in the surface layer of steel is found.

Key words: friction surface, surface layer, graded structure, elemental density, steel, carbides, phosphorus, zinc.

URL: http://mfint.imp.kiev.ua/en/abstract/v37/i09/1253.html

DOI: https://doi.org/10.15407/mfint.37.09.1253

PACS: 62.20.Qp, 68.35.bd, 68.35.Dv, 68.55.-a, 68.60.-p, 81.40.Pq, 82.80.Pv

Citation: O. O. Mishchuk and O. V. Telemko, Gradient Relaxation of Steel Surface within the Zone of Hertzian Contact During Friction, Metallofiz. Noveishie Tekhnol., 37, No. 9: 1253—1268 (2015) (in Ukrainian)

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