Optical and Structural Characterization of Nickel Coatings for Solar Collector Receivers

Figure 3

SEM images of sample surfaces. All the pictures are taken at 15.0 KV accelerating voltage and magnification 1500x.

(a) Stainless steel

(b) 36 b

(c) 19 f

(d) 27 f

(e) 33 f