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Effects of Contact Modes on Wear of Railroad

[+] Author Affiliations
Pranay Asthana, Hong Liang

Texas A&M University, College Station, TX

Paper No. WTC2005-64356, pp. 937-938; 2 pages
doi:10.1115/WTC2005-64356
From:
  • World Tribology Congress III
  • World Tribology Congress III, Volume 1
  • Washington, D.C., USA, September 12–16, 2005
  • Conference Sponsors: Tribology Division
  • ISBN: 0-7918-4201-0 | eISBN: 0-7918-3767-X
  • Copyright © 2005 by ASME

abstract

In this study the wear behavior of rail road steel under rolling with sliding and pure sliding conditions was investigated. Experiments were conducted using a modified linear reciprocating tribometer. Friction and wear were estimated against different conditions. Surface characterization techniques include a scanning electron microscope (SEM) with attached energy dispersive X-ray (EDX) for wear and tribochemical wear studies. It was found that rolling with sliding provided higher friction and wear than pure sliding. The addition of crystalline hydrated sodium borate (Na2 B4 O7 -10H2 O) increased friction in both contact conditions, while there was a significant decrease in the wear volume. This research proposes new friction and wear mechanisms.

Copyright © 2005 by ASME
Topics: Wear , Railroads

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