Corrosion Control of Alloy 690 by Shot Peening and Electropolishing under Simulated Primary Water Condition of PWRs

Figure 8

SEM photographs of the surface before the corrosion tests for specimens of (a) reference, (b) SP30, (c) SP45, (d) SP90, (e) EP45, and (f) EP90.

(a)

(b)

(c)

(d)

(e)

(f)