A further look at Archard’s Equation to extract additional information from the material loss ~ load curve

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Primary Rahman_Abu Hasnat Mohammad Azadur_201805_MSc.pdf (3.98 MB)

DOI

https://doi.org/10.7939/R38W38J3C

Date

2018-11

Author

Rahman, Abu Hasnat Mohammad Azadur

Institution

University of Alberta

Degree Level

Master's

Degree

Master of Science

Department

Department of Chemical and Materials Engineering

Specialization

Materials Engineering

Supervisor / Co-Supervisor and Their Department(s)

Li, Dongyang (Chemical and Materials Engineering)

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Abstract

Archard’s wear equation has been widely used in industry for preliminary selection of materials mainly based on hardness. According to Archard’s equation, the material wear rate is linearly proportional to the normal force. However, the wear rate or material volume loss per unit sliding distance is usually not linear with the normal force. The non-linear relationship should result from variations in the resistance of a material to wear due to changes in the mechanical behavior of materials such as strain-hardening capability. In this study, we performed sliding wear tests to determine and analyze the material loss – normal load curves of three alloys, Al5182 (FCC), AZ 31 alloy (HCP) and the high strength low alloy (HSLA) steel (BCC). The volume loss ~ normal load curves did not appear as straight lines. An attempt was made to understand this phenomenon and extract additional information from the non-linear volume loss ~ normal load relationship.

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http://purl.org/coar/resource_type/c_46ec

Title

A further look at Archard’s Equation to extract additional information from the material loss ~ load curve

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Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.

Subject/Keywords

Archard’s equation
Volume loss vs load
Non-linear relationship
Strain hardening

Language

en

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