The Influence of Aluminum Tripolyphosphate on the Protective Behavior of an Acrylic Water-Based Paint Applied to Rusty Steels

Figure 4

Impedance spectra of epoxy antirust painted samples with scratch after different immersion time in 3.5 wt% NaCl solution: (a) Nyquist plots and (b) Bode plots.

(a)

(b)