Analysis and Alternate Selection of Nanopowder Modifiers to Improve a Special Protective Coating System

Figure 11

Adhesion and appearance (a)-(b) of an unmodified external PCS and PCS modified with the PSNP, after 31 months of operation in the same environmental conditions, where the cross-cut mesh is 2 × 2 mm and (c) comparative degradation of modified (1) and unmodified (2) PCSs.

(a)

(b)

(c)