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DETERMINATION EXPERIMENTALE DU COEFFICIENT DE FROTTEMENT A SEC OU EN PRESENCE DE LUBRIFIANT 


T. T. H. TRAN

 

T. ZEGHLOUL

dtzeghloul@iutang.univ-poitiers.fr

 

D. BONNEAU

B. VILLECHAISE

 

 

Laboratoire de Mécanique des Solides, Université de Poitiers, France


 

Abstract. This experimental study intends to model the interactions arising between the elements of a connecting rod big end bearing. We propose to determine the value of the friction coefficient for the mating surface between the body and the connecting rod cap, either for a dry or lubricated contact.
The results indicate the evolution of the change of the ratio of tangential to normal load, for different situations of contact and loading. These ratios depend significantly on the presence or absence of the lubricant and on the intensity of the normal. However, for a given loading velocity, we note little influence of the loading process on the obtained results.
 

Keywords: friction coefficient, big end bearing, friction regime