PSI - Issue 57
Dr.-Ing. D. Jbily et al. / Procedia Structural Integrity 57 (2024) 199–216 Author name / Structural Integrity Procedia 00 (2019) 000 – 000
207
9
REF Pinion
SP Pinion
(32 hours) 4.32*10 6 cycles
(32 hours) 4.32*10 6 cycles
(65.5 hours) 8.85*10 6 cycles 6 cycles Fig. 7. Evolution of micropitting to Macropitting/spalling on the teeth flank of REF and SP pinions (59 hours) 7.97*10
SP Pinion
109 hours (14.39*10 6 cycles)
79 hours (10.43*10 6 cycles)
129 hours (17.03*10 6 cycles)
139 hours (18.35*10 6 cycles)
219 hours (28.91*10 6 cycles) 239 hours (31.55*10 6 cycles) Fig. 8. Evolution of micropitting to macropitting on shot peened gears after 70 hours of running
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