Corrosion Resistant Coating from Nano Printed Circuit Board Powder for the Reinforced Concrete Structures

Figure 7

Comparison of degree of corrosion. (a) 2 V (3.5% NaCl), (b) 4 V (3.5% NaCl), (c) 6 V (3.5% NaCl), (d) 2 V (10% NaCl), (e) 4 V (10% NaCl), and (f) 6 V (10% NaCl).

(a)

(b)

(c)

(d)

(e)

(f)