2012
DOI: 10.2172/1039238
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Use of Textured Surfaces to Mitigate Sliding Friction and Wear of Lubricated and Non-Lubricated Contacts

Abstract: ForewordThis report consists of both a review of the tribology literature and a short summary of past studies at ORNL concerning how the macro and micro-geometry of surfaces can be modified to affect changes in frictional behavior, particularly under lubricated conditions. It was prepared in conjunction with an on-going project entitled "Friction reduction through surface modification." The overall purpose of the work is to improve the fuel efficiency of diesel-powered vehicles by employing patterns of micro-s… Show more

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Cited by 8 publications
(6 citation statements)
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“…In the second stage of numerical experiments, the calculations of the roughness parameter were carried out for the condition of minimum friction coefficient by dependence (5) and for the case of no film starvation by inequality (8) in the presence of cylindrical and spherical waviness for two kinds of friction pairs studied. Ratio S/(S − d) varies according to the condition (10) when the nominal contact pressure is in the range of p a = 2-40 MPa.…”
Section: Evaluation Of the Roughness Parameter δmentioning
confidence: 99%
See 1 more Smart Citation
“…In the second stage of numerical experiments, the calculations of the roughness parameter were carried out for the condition of minimum friction coefficient by dependence (5) and for the case of no film starvation by inequality (8) in the presence of cylindrical and spherical waviness for two kinds of friction pairs studied. Ratio S/(S − d) varies according to the condition (10) when the nominal contact pressure is in the range of p a = 2-40 MPa.…”
Section: Evaluation Of the Roughness Parameter δmentioning
confidence: 99%
“…But it may not be quite the right decision in the case of couple containing the polymer element as a mating surface. One of the ways of decreasing the intensity of wear and localisation of its products in sliding couple is known method of texturing one of surfaces of the couple [5].…”
Section: Introductionmentioning
confidence: 99%
“…Dimple density was therefore designed so as to act similarly to such solid lubricant inserts, as it is assumed that the dimples can act as lubricant reservoirs, slowly releasing lubricant into the contact. The study of the influence of dimples geometry, density and array type are discussed in other works in literature [ 38 , 39 ] and was beyond the scope of this paper.…”
Section: Methodsmentioning
confidence: 99%
“…(1) decreasing the actual contact area; (2) serving as a reservoir for supplying lubricant as well as for capturing wear debris; (3) aiding the formation of lubricant film and aid the fluid flow through the channels [37]. This section is focused specifically on bio-inspired surfaces developed for tribological applications.…”
Section: Surfaces For Boundary Lubrication Related Friction Manipulationmentioning
confidence: 99%