Mechanical Degradation of Q345 Weathering Steel and Q345 Carbon Steel under Acid Corrosion

Figure 8

EDS spectra of carbon steel at different corrosion times. (a) 0 h. (b) 1 h. (c) 2 h. (d) 4 h. (e) 8 h. (f) 12 h. (g) 24 h. (h) 48 h. (i) 72 h.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)