Intergranular Corrosion of Low Cr Ferritic Stainless Steel 429 Evaluated by the Optimized Double Loop Electrochemical Potentiokinetic Reactivation Test

Figure 6

Micrographs of tested FSS 429 aging at 550°C for different time: (a) 15 min, (b) 30 min, (c) 1 h, (d) 2 h, and (e) 8 h.

(a)

(b)

(c)

(d)

(e)