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RESEARCH PAPERS

A Digraph Approach to System Wear Evaluation and Analysis

[+] Author and Article Information
O. P. Gandhi

Industrial Tribology Machine Dynamics and Maintenance Engineering Centre (ITMMEC), Indian Institute of Technology, Delhi, New Delhi 110016, India

V. P. Agrawal

Mechanical Engineering Department, Indian Institute of Technology, Delhi, New Delhi 110016, India

J. Tribol 116(2), 268-274 (Apr 01, 1994) (7 pages) doi:10.1115/1.2927208 History: Received March 01, 1993; Revised August 01, 1993; Online June 05, 2008

Abstract

System structure is important for analyzing wear of a system. In this paper, this aspect is considered at the component level and is modeled using digraph and matrix methods. Contributing wear factors and the degree of influence among these factors, which determine wear independence and wear process between mating components, are identified. This along with the wear measure of subsystems determines the system wear. The procedure develops wear functions for characterization and comparison of subsystems of different types. These are also useful for wear analysis and evaluation leading to an optimum selection of subsystems based on the wear. The procedure is also shown to be useful at the operating state of a system and subsystems. Step-by-step procedure for system wear evaluation is presented. Methodology is also demonstrated by an example.

Copyright © 1994 by The American Society of Mechanical Engineers
Topics: Wear , Functions
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