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The Influence of Wheel/Rail Contact Conditions on the Microstructure and Hardness of Railway Wheels

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Figure

Figure 1: Influence of wheel diameter on average depth of material removal at reprofiling, as a function of mileage since last turned
Table 2: Estimated number of stress cycles in each region (shownin≈ Figure 3) of the wheel since last turning (170,000 miles).
Figure 5), but on the powered axles of the monitored fleetthey are close to circumferential owing to the influence oftraction forces
Figure 5: Orientation of leading wheelset on left and right hand curves, showing position of wheel/rail contact, direction of tangential force,and formation of two bands of cracks
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