fig13

Figure 13. 3D reconstructed morphology of pits in Inconel 690 alloy immersed in 6% FeCl₃ + 0.16% HCl solution at 90 °C. (A) 4 h, (B) 5 h, (C) 6 h, (D) 7 h, (E) 9 h, (F) comparative pit scale evolution between 4-9 h immersion.