Friction and wear during twin-disc experiments under ambient and cryogenic conditionsReportar como inadecuado




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1 LaM - Laboratoire de Mécanique 2 LISMMA - Laboratoire d-Ingénierie des Systèmes Mécaniques et des MAtériaux

Abstract : We present a classical rolling contact apparatus where two discs roll and slide under a constant normal loading. Experimental results concerning bearing steel used in ambient air or under severe temperature conditions liquid nitrogen are presented. A simplified model proposed by Kalker Fastsim is used to identify the dynamic friction coefficient between these discs and to study the apparatus parameters- influence on dissipated energy. Wear evolution is simulated using classical Archard-s law and compared to measured profiles. Influence of ambient conditions is highlighted by comparing friction and wear coefficients.

Keywords : Experimental study Modeling Gas liquid Liquid nitrogen Ball bearing steel Bearing steel Friction coefficient Mechanical contact Rolling contact Cryogenic temperature Wear Tribology Friction





Autor: Luc Chevalier - S. Cloupet - M. Quillien -

Fuente: https://hal.archives-ouvertes.fr/



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