Issue 74

M. C. Marinelli et alii, Fracture and Structural Integrity, 74 (2025) 129-151; DOI: 10.3221/IGF-ESIS.74.09

(a)

(b)

(c) (d) Figure 12: TEM BF micrograph showing dislocation substructures in TD samples fatigued at  p = 0.1%: (a) Zone axis B   023 BCC. Non-uniform dislocation distribution in ferrite, including dislocation tangles and vein-like formations; (b) dislocation cells within channels, (c) subgrain formation initiated at grain boundary, (d) dislocations confined by cementite within pearlite colonies.

(a)

(b)

14

Made with FlippingBook - professional solution for displaying marketing and sales documents online