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1
Content available remote Wear of triboconjugation from a position of damages accumulation in the plastic contact condition
Kharlamov V. V.
International Journal of Applied Mechanics and Engineering
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2004
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Vol. 9, no spec.
45-51
EN
In this paper we consider one of the numerous types of wear, the one that occurs in the conditions of plastic contact. This type is predominant in heavy-loaded sliding and rolling contacts. In this particular case, we restrict our consideration to the lubricated sliding contact. Plastic deformation in the friction zone occurs in the real area contacts with the proviso that p>k, they are the reason of a surfaces wear.
2
Content available remote Mathematical description of lubrication flow between rough surfaces of a plain bearing in mixed friction
Kharlamov V. V., Pavlyshko S. V.
International Journal of Applied Mechanics and Engineering
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2002
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Vol. 7, no 3
823-845
EN
This paper examines the role of lubrication in mixed friction which is understood as a sum of different friction regimes from liquid to unlubricating. In this case, the friction zone is modeled by a two-demensional non-linear porous medium and the equations of the liquid filtration theory are used for describing the lubricant flow, the equations being modified since the rough surfaces forming the "porous medium" displace relative to each other. The lubricant flow model through rough friction surfaces is a new on in the theory of sliding friction.
3
The use of the ecologically pure lubricating-cooling fluids (LCFs) based on deep processing of the swine-breeding plant waste
Kharlamov V. V., Lokshin B. E., Permyakova T. A.
Applied Mechanics and Engineering
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1999
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Vol. 4, no spec.
279-284
EN
The results of the research work for the development of the lubricating-cooling fluids (LCFs) intended for cold rolling and based on deep processing of the swine-breeding faecal run-off wastes are presented. The new LCFs are more effective than the mineral oil-based LCFs and, sometimes, than the pure mineral oils. These LCFs are ecologically-safe and fire-hazardless. They may be easily washed out from the surface of rolled products with the hot water, and due to this, the procedure of chemical or electrochemical degreasing can be eliminated from the technological cycle. Moreover, the proposed study offers not only a new, rather inexpensive and reproducible raw material for the LCFs, but it also resolves the wastage recovery problems of a hard fraction of swine-breeding faecal run-off wastes and the relevant, extremely serious ecological problems.
4
The effect of fine metal alloy powders on rubbing steel surfaces
Zolotukhina L. V., Frishberg I. V., Kharlamov V. V., Zhidovinova S. V., Kishkoparov N. V., Dudko P. P., Kuzmin V. N.
Applied Mechanics and Engineering
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1999
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Vol. 4, no spec.
201-206
EN
The paper discusses the mechanism, by which the antiwear oil additive "Rimet" and the multi-purpose grease (MG) "Vympel", both containing fine powders of metal alloys, act upon rubbing steel surfaces.
5
Content available remote Determination of the effect of fine dispersed particles of metal alloys on the wear resistance of slip triboconjugations
Kharlamov V. V., Zolotukhina L. V., Frishberg I. V.
Problemy Eksploatacji
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1998
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nr 3
143-154
EN
The effect of the mass - transport intensification in the slip tribocontact in the presence of ultrafine - dispersed powder of Cu-Sn within the lubricant has been discussed. It has been found that the small addition of the ultrafine - dispersed powder of Cu-Sn to the base oil will decrease the wear intensity by a factor of 3-3.5 and increase the scoring load by a factor of 2. On the base of the experimental results the contribution of the powder of Cu-Sn alloy to the mechanism of anomalous masstransport effect has been discussed.
PL
Omówiono wpływ intensyfikacji przepływu masy w tribokontakcie ślizgowym w obecności wysoko dyspersyjnego proszku Cu-Sn będącego w środku smarnym. Stwierdzono, że niewielki dodatek wysoko dyspersyjnego proszku Cu-Sn do oleju bazowego zmniejsza intensywność zużycia 3-3,5 razy i zwiększa odporność na zatarcie 2 razy. Na podstawie wyników badań omówiono udział proszku stopu Cu-Sn w mechanizmie anomalnego efektu przepływu masy.
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