PSI - Issue 57

Yuri Kadin et al. / Procedia Structural Integrity 57 (2024) 236–249 Kadin et. al / Structural Integrity Procedia 00 (2023) 000 – 000

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Fig. 3. Three possible orientations of surface crack at the roller chamfer.

Cracks of 0° (horizontal)

Cracks > 0° (vertical & inclined)

Dimensionless crack length, b / b mean

Fig. 4. Surface crack length, b , distribution.

Cross-section I

Cross-section II

Chamfer

Crack

Raceway

Preceding cross sectioning

Next

Sectioning direction

Fig. 5. Roller cross-sectioning at the chamfer zone enabling to identify the 3D shape of surface crack at the roller chamfer.