Issue 72

M.P. González et alii, Fracture and Structural Integrity, 72 (2025) 15-25; DOI: 10.3221/IGF-ESIS.72.02

Figure 9: RCF failure in a coated sample.

Figure 10: SEM images and EDS analysis of a coated sample. a) and b) inside the rolling track, c) and d) outside the rolling track.

The relation between the failure probability and the number of loading cycles for the uncoated and coated samples are shown in the Weibull plot of Fig. 11. The results of the Weibull analysis are summarized in Tab. 3, reflecting the characteristic life or scale parameter ( η ), the shape parameter ( β ) and the coefficient of determination (R 2 ). The resulting characteristic life of the coated samples is more than four times higher than that of the uncoated ones.

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