Modelling third body flows with a discrete element method—a tool for understanding wear with adhesive particles

This work presents a fundamental approach to the study of the wear process by considering the detachment of particles, their flow in the contact and their ejection. A numerical model is constructed in order to visualize and to accurately measure these phenomena. Moreover, the adhesion between the de...

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Bibliographic Details
Published in:Tribology international 2007-06, Vol.40 (6), p.973-981
Main Authors: Fillot, N., Iordanoff, I., Berthier, Y.
Format: Article
Language:English
Subjects:
Adhesion
Applied sciences
Discrete element method
Exact sciences and technology
Friction, wear, lubrication
Machine components
Mechanical engineering. Machine design
Third body
Wear
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Description
Summary:This work presents a fundamental approach to the study of the wear process by considering the detachment of particles, their flow in the contact and their ejection. A numerical model is constructed in order to visualize and to accurately measure these phenomena. Moreover, the adhesion between the detached particles and with the rubbing surfaces can be simulated and controlled. This physicochemical parameter plays an antagonistic role on the wear process. The greater the particle adhesion the thicker the interfacial layer will be, though with a corresponding reduction in the ejection of particles. Finally, emphasis is placed on the influence of the interfacial layer on the wear process.
ISSN:0301-679X
1879-2464
DOI:10.1016/j.triboint.2006.02.056