Date of Award

12-1-2017

Degree Name

Master of Science

Department

Mechanical Engineering

First Advisor

Filip, Peter

Abstract

AN ABSTRACT OF THE THESIS OF ROHIT JOGINEEDI, for the Master of Science degree in Mechanical Engineering and Processes, presented on 11/06/2017, at Southern Illinois University Carbondale. TITLE: DEVELOPMENT OF COMPARATIVE WEAR TEST FOR ASTM G75 STANDARD MAJOR PROFESSOR: Dr. Peter Filip Industries related to tribology field invest huge amounts in testing products they handle. Most of their budget goes into running tests on corresponding friction, wear or lubrication testing instruments. These tests are observed to be consuming more time with an increase in operational costs. This gained importance among industries for developing economical testing methods designed to run on one or more machines to study tribological conditions. As friction and wear are system properties, change in system variables like distance, velocity, time and area can have notable impact on those properties. This paper discusses about various approaches to develop comparative test on sub scale testers for ASTM G75 standard. Scaling Laws of Physics and comparison of wear mode are two approaches used in this paper to justify the comparative test developed for ASTM G75 on a bench top tester developed by Bruker. Results from the ASTM G75 standard and the UMT are compared and concluded that scaling strategies cannot be used to replicate the standard test methods on sub scale testers but comparison of wear mode could help. This proposed comparative test for ASTM G75 is observed to have lower operational costs thereby decreasing the amount of investment on testing friction or wear products in an industry.

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