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The Journal of Wheel/Rail Interaction
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Jude Igwemezie

Understanding the Effects of Track Gauge, Wheel/Rail Geometry and Friction on Stresses at the Wheel/Rail Interface

January 4, 2014 | Filed under: Friction Management, Track Geometry, Wheel/Rail Interaction, Wheel/Rail Profile

By Jude Igwemezie, Ph.D., P.Eng. Over the years, rail grinding has become more the norm than the exception as the rail industry has recognized that damaged materials on the rail and wheel contact surfaces must be addressed before they become a bigger problem. The art of rail grinding has also progressed …

Understanding Stresses in Rails (Part 2 of 2)

January 4, 2014 | Filed under: Rail Maintenance

By Jude Igwemezie, Ph.D., P.Eng • April, 2007 Part 1 of this article examined the contact and dynamic stresses generated by the wheel/rail contact loading environment. Part 2 examines the stress cycle at any point on the running surface of the rail as the wheel approaches it. Stress in the …

Understanding Stresses in Rails (Part 1 of 2)

January 4, 2014 | Filed under: Rail Maintenance

By Jude Igwemezie, Ph.D., P.Eng • January, 2007 Rail represents a significant part of any railway’s investment in annual track maintenance. At the end of its useful life, the scrap value of rail can be as little as 15% to 20% of its original cost. Proper management of this precious asset …

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