Issue 77

T. Jiao et alii, Fracture and Structural Integrity, 77 (2026) 362-385; DOI: 10.3221/IGF-ESIS.77.21

Figure 13: Fatigue fracture morphology of a joint with tunnel defect observed via low-magnification SEM.

Figure 14: Schematic diagram of crack initiation and propagation path in a joint with tunnel defect.

(a) crack initiation zone

377