Open AccessFriction Experiments for Dynamical Coefficient Measurement
Author(s) -
J.J. Arnoux,
G. Sutter,
Gautier List,
A. Molinari
Publication year - 2011
Publication title -
advances in tribology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.325
H-Index - 17
eISSN - 1687-5923
pISSN - 1687-5915
DOI - 10.1155/2011/613581
Subject(s) - tribometer , asperity (geotechnical engineering) , materials science , friction coefficient , range (aeronautics) , interferometry , groove (engineering) , dynamical friction , optics , structural engineering , mechanics , acoustics , composite material , engineering , physics , metallurgy
An experimental study, including three experimental devices, is presented in order to investigate dry friction phenomena in a wide range of sliding speeds for the steel on steel contact. A ballistic setup, with an air gun launch, allows to estimate the friction coefficient between 20 m/s and 80 m/s. Tests are completed by an adaptation of the sensor on a hydraulic tensile machine (0.01 m/s to 3 m/s) and a pin-on-disk tribometer mounted on a CNC lathe (1 to 30 m/s). The interactions at the asperity scale are characterized by a white light interferometer surface analysis
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