Microstructure, Strength, and Fracture Topography Relations in AISI 316L Stainless Steel, as Seen through a Fractal Approach and the Hall-Petch Law

Figure 6

Ductile tension fracture surface profiles, showing the same average dimple size (axial direction is ↕). (a) “Deep dimples” for smaller grain size, in a tougher material with a higher . (b) “Shallow dimples” for a higher grain size, in a material with smaller toughness and lower .

(a)

(b)