Technical Reports

Wheel Failure Mechanisms of Railroad Cars: Volume II - Technical Task Summaries

  • 01
  • Nov
  • 1987
AUTHOR: Britto R. Rajkumar, Daniel H. Stone
REPORT NUMBER: R-680 - Volume II
SUBJECT: Facilities & Test Equipment
KEYWORDS: Residual Stress, Thermal Cracking, Wheel Stress Analysis, Wheel Steel Fatigue
ABSTRACT: This report summaries an extensive research program into the causes of wheel thermal failure. Results of material property tests, review of failure data, dynamometer tests, roll dynamics unit, track tests, and theoretical and experimental stress analysis show that heat-treated wheels of designs which meet the requirements of AAR Standard S.660 (low-stress wheels) are significantly more resistant to failure. Volume II is a detailed reporting of the data and results, while Volume I gives a shorter summary of the program. Volume III is an appendix of highly detailed research data.
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