Recently, automotive engines have been operating under harsh conditions of high-power, low viscosity oil and increase of start-stop (e.g. idling stop). In plain bearing used within engine, as oil film thickness decreases, the frequency of direct contacts on the sliding surfaces between the shaft and the bearing are gradually increasing. In fact, the plain bearings for engines would tend to be used under mixed lubrication and the contacts of the surface roughness asperities sometimes occur between the shaft and the bearing. As a result, the bearing wear on the sliding surfaces is accelerated by the contacts of the roughness asperities. In order to predict the bearing performance exactly, it is very important to understand the change progress of the geometric shape of sliding surfaces caused by the wear.Therefore, in this study, to establish the theoretical analysis method of the wear progress of the bearing under mixed lubrication conditions, the following procedures were conducted on a static load:
A Study on Wear Progress of Plain Bearing under Mixed Lubrication Condition
Sae Int. J. Engines
SAE 2011 World Congress & Exhibition ; 2011
Sae International Journal of Engines ; 4 , 1 ; 569-580
2011-04-12
12 pages
Aufsatz (Konferenz)
Englisch
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