Thermal Effects on Wheel Performance Based on Twin Disc Testing
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Abstract This paper presents the results and findings from a testing program conducted to investigate how temperature at the wheel-rail interface may affect wheel surface performance; i.e., development of rolling contact fatigue (RCF) and wear. Under this testing program, a twin disc test machine was used to test two different types of wheel specimens (cast and forged) under a range of temperatures (ambient to 800° F) and slip ratios from 0 to 0.75 percent. This testing program included a total of 32 tests, covering two wheel materials, four different temperatures, four slip ratios, and various traction coefficients as a ratio of longitudinal and vertical wheel/rail contact forces.
2013 ◽
Vol 66
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pp. 249-258
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2000 ◽
Vol 214
(2)
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pp. 93-105
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2020 ◽
Vol 51
(1)
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pp. 91-122
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1988 ◽
Vol 54
(499)
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pp. 667-672
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