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Keywords: thermal mechanical shelling
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Proceedings Papers

Proc. ASME. RTDF2008, ASME 2008 Rail Transportation Division Fall Technical Conference, 157-165, September 24–25, 2008
Paper No: RTDF2008-74029
... for reduced fatigue life. However, the variation in wheel temperatures within individual cars and between cars can result in temperatures high enough to cause a reduction in wheel fatigue life. KEYWORDS Wheel, shell, rolling contact fatigue, residual stress, thermal mechanical shelling WHEEL DEFECT PREVENTION...
Proceedings Papers

Proc. ASME. RTDF2008, ASME 2008 Rail Transportation Division Fall Technical Conference, 53-60, September 24–25, 2008
Paper No: RTDF2008-74014
... investigated as possible wheel damage factors. It appears that cars running on routes through terrain with longer, steeper grades may be prone to increased wheel shelling, probably due to thermal mechanical shelling (TMS). Side-to-side imbalanced loading appears to play a minor role in wheel shelling for two...
Proceedings Papers

Proc. ASME. RTDF2008, ASME 2008 Rail Transportation Division Fall Technical Conference, 43-51, September 24–25, 2008
Paper No: RTDF2008-74013
... by matching recorded GPS and train speed/distance data with track charts. RCF is one way in which wheels can develop tread defects. Thermal mechanical shelling (TMS) is a subset of wheel shelling in which the heat from tread braking reduces a wheel’s fatigue resistance. RCF and TMS together are estimated...
Proceedings Papers

Proc. ASME. RTDF2008, ASME 2008 Rail Transportation Division Fall Technical Conference, 73-78, September 24–25, 2008
Paper No: RTDF2008-74016
... ttci.aar.com abe ucts Corporation 349 RTDF2008-74016 KEYWORDS Wheel, brake shoe, thermal mechanical shelling, tread conditioning BACKGROUND Shelling is a fatigue-based mechanism by which large voids can be left in the running surface of a wheel. Many cycles of high stress create surface cracks in the wheel...
Topics: Brakes, Wheels
Proceedings Papers

Proc. ASME. RTDF2008, ASME 2008 Rail Transportation Division Fall Technical Conference, 61-71, September 24–25, 2008
Paper No: RTDF2008-74015
... 09 07 2009 The Wheel Defect Prevention Research Consortium (WDPRC) examined data from a wayside wheel temperature detector (WTD) located near the bottom of a grade in order to explore the root causes of hot wheels and thermal mechanical shelling. Not surprisingly, the data showed...