The goal of the Contrails project is to help preserve and disseminate the technical record of 20th century aerospace research, highlighting in particular the research endeavors of the Illinois Tech community.

Study of the Friction Creep Phenomenon between Railroad Wheel and the Rail under Contaminated Conditions of Water and Fuel Oil

Author: Mehta, M. K.
Author: Kumar, S.
Author: Sciammarella, C. A.
Author: Seth, B. B.
Corporate Author: Illinois Institute of Technology, Mechanics, Mechanical and Aerospace Engineering
Corporate Report Number: IIT-TRANS-77-5
Date of Publication: 1976-12
Pages: 81
Contract: DOT-FR-40103

This report deals with the study of friction-creep phenomenon between simulated steel wheel and rail under contaminated conditions. All the experiments were conducted on the 1:4.5 I.I.T. wheel-rail simulation facility which is briefly discussed. The two most common contaminants used were, water and fuel oil. Constant friction experiments were conducted with addition of these contaminants in the contact zone. Friction-creep, and area of contact data was taken with braking of small wheel. The maximum coefficient of friction for steel on steel with water as a contaminant was found to be 0.235 whereas for oil it was 0.075. Interestingly these values occurred at the same value of normal load, 798 lbs. Non-dimensionalized curves plotted for both cases show reasonable agreement. The application of function growth theory developed by Bowden and Tabor to the experimental data for the case of water as a contaminant has been checked. The experimental results from the oil tests does to some degree fit in the modified Poones and Haines Equations.

S. Kumar
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