EVALUATION OF LUBRICATION EFFICIENCY BASED ON WEAR DURING VARIABLE LOADS AND SLIDING VELOCITIES
Journal Title: Tribologia - Year 2016, Vol 268, Issue 4
Abstract
The results of the tribological studies on the lubrication efficiency of greases evaluated based on tribological tests performed at varying pressure p and rubbing speed v are presented. For the efficiency criterion, the volume of wear VF(d) obtained from the regression equations of wear was adopted (wear F (d) = f (F, v)). Six different lubricants were tested; two of them were commercial greases, and four of them were compositions based on them, including conventional solid greases (PTFE, tin, copper, and boron nitride). The experiment was carried out on a four-ball extreme pressure tester according to a rotatable design on five levels. For each of the selected lubricants, a regression function was developed that defined wear as a function of rubbing speed and load. The volume of the obtained wear VF(d) was calculated and relevant conclusions were drawn.<br/><br/>
Authors and Affiliations
Stanisław KRAWIEC, Michał KRAWIEC, Tadeusz LEŚNIEWSKI
Keywords
Related Articles
- EP ID EP244296
- DOI 10.5604/01.3001.0010.6988
- Views 57
- Downloads 0
THE EFFECT OF ADDITIVES ON THE TRIBOLOGICAL CHARACTERISTICS OF GREASES
The article presents the results of tribological investigations carried out in the presence of modified greases. The effects of friction conditions and additives like polymers and fullerene carbon nanostructures on the t...
Ograniczenie trwałości skojarzeń ceramicznych w wyniku propagacji pęknięć powierzchniowych
TRIBOLOGICAL PROPERTIES OF THE AL2O3 LAYER MODIFIED BY TUNGSTEN DISULFIDE IN COOPERATION WITH PEEK/BG MATERIAL
In this article, the authors pay attention to the tribological behaviours of Al2O3 layers modified by tungsten disulfide powder. Oxide layers of Al2O3/WS2 were obtained by using hard anoding treatment in multicomponent e...
THE EFFECT OF THE FORMATION OF POLYMER /SURFACTANT COMPLEXES ON SELECTED TRIBOLOGICAL PROPERTIES OF THEIR AQUEOUS SOLUTIONS
Aqueous solutions of sodium alkyl sulphate (surfactant) and polyvinylpyrrolidone (polymer) whose physicochemical properties, including complexing ability, have been widely described in the literature were proposed as a m...
THE TRIBOCHEMICAL MODIFICATION OF THE SURFACE LAYER OF A POLYMER IN SLIDING CONTACT WITH ARMCO
The degree of the tribochemical modification of contact surfaces in a polymer – metal friction pair, taking into account the transfer of iron ions to a polymer counterface, was studied. The presence of iron ions in the s...