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Keywords: impact
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Proceedings Papers

Proc. ASME. RTDF2008, ASME 2008 Rail Transportation Division Fall Technical Conference, 35-42, September 24–25, 2008
Paper No: RTDF2008-74012
...) provides RCF benefits for wheels in cars with standard three-piece trucks. Small track perturbations reduce the overall RCF damage to a wheel negotiating a curve. KEYWORDS Wheel, shell, impact, rolling contact fatigue, simulation WHEEL DEFECT PREVENTION RESEARCH CONSORTIUM The work described herein...
Proceedings Papers

Proc. ASME. RTDF2008, ASME 2008 Rail Transportation Division Fall Technical Conference, 53-60, September 24–25, 2008
Paper No: RTDF2008-74014
... The Wheel Defect Prevention Research Consortium (WDPRC) conducted analyses of wheel impact load detector (WILD) data to explore how wheelset position and operating environment affect rolling contact fatigue (RCF). The typical three-piece freight car truck used in North America produces higher...
Proceedings Papers

Proc. ASME. RTDF2008, ASME 2008 Rail Transportation Division Fall Technical Conference, 43-51, September 24–25, 2008
Paper No: RTDF2008-74013
... locations for wheel RCF tend to be on curves of 4 degrees or higher. For the route analyzed in this work, the worst locations for wheel RCF tended to be bunched in urban areas, where tight curvature generally prevails. Wheel shell impact rolling contact fatigue thermal mechanical shelling 008 F...
Proceedings Papers

Proc. ASME. RTDF2008, ASME 2008 Rail Transportation Division Fall Technical Conference, 15-25, September 24–25, 2008
Paper No: RTDF2008-74010
... spalling are briefly outlined. Wheel spall impact martensite slid flat 8E m no .T ra -5 8 s@ L il o n -5 ffi tread, the Wheel Defect Prevention Research Consortium (WDPRC) has conducted a review and analytical models for the p temperature due to wheel slide. analytical models are discuss known...
Topics: Wheels
Proceedings Papers

Proc. ASME. RTDF2008, ASME 2008 Rail Transportation Division Fall Technical Conference, 27-34, September 24–25, 2008
Paper No: RTDF2008-74011
... not provide the required conditions and this is probably not a major source of spalling. Wheel spall impact slide slip simulation 008 N O um hno O.T. lora 9-58 -584 gs@ Sch hno O.T. lora 9-5 -584 r@t ABSTRACT The Wheel Defect Prevention Research Consortium (WDPRC) conducte spall creation under...
Proceedings Papers

Proc. ASME. RTDF2008, ASME 2008 Rail Transportation Division Fall Technical Conference, 61-71, September 24–25, 2008
Paper No: RTDF2008-74015
.... Wheel shell impact rolling contact fatigue thermal mechanical shelling 008 F TUR L M Cum hnol O.T. lorad 9-58 -584 gs@ that operational improvements could substantially reduce the quantity of hot wheels. Seventy-six percent of the descending cars with hot wheels 260°C (500°F). While at higher...
Proceedings Papers

Proc. ASME. RTDF2008, ASME 2008 Rail Transportation Division Fall Technical Conference, 9-14, September 24–25, 2008
Paper No: RTDF2008-74009
... it was generally run in heavy axle minimal yard handling, are shelling damage with little sp mixed freight cars, such as ta tend to run in lower mileage resulting in fewer loading cy frequent use of hand brakes. these types of cars were obse shelling damage, with spallin mechanism. Nearly every high impact whe...