Page 154 - Corrosion Engineering Principles and Practice
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128 C h a p t e r 5 C o r r o s i o n K i n e t i c s a n d A p p l i c a t i o n s o f E l e c t r o c h e m i s t r y 129
FIGURE 5.33 Close-up of corrosion sensing elements used for thin film
corrosion monitoring. (Courtesy of Kingston Technical Software)
pitting attack on the sensor elements, revealed by scanning electron
microscopy (Fig. 5.36). In contrast, both current and voltage signals
remained relatively constantly small at a position higher up in the
tower, where the sensor surface remained mostly dry.
FIGURE 5.34 Field corrosion monitoring using electrochemical noise recorded
with a handheld data logger. (Courtesy of Kingston Technical Software)