Mechanical properties of a rim-sprayed and tempered class D wheel (TM-MF-073)

Following a series of failures of 25 ton axle-load diagonally-braked Class C freight wheels in service, a joint study of the problem was undertaken by B.R. and B.S.C. The wheels in question were cheek-disc-braked and had been analysed as failing by a process of fatigue, initiating at the cheek-disc-retaining bolt...