Difference between revisions of "FAQ for Corrosion Analyzer EVS"
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Revision as of 08:58, 18 September 2018
Frequently Asked Questions about OLI Corrosion Analyzer EVS
Question: I have a question about the input data for EVS. The second input is Area (sq-cm). What is this measurement? Is it the total area of pits on a given surface, is it the average surface area of a single pit, is it the fraction of surface covered by pits?
Answer: This is simply the area of the metal that is exposed to pitting. For example, if a coupon is exposed to an aggressive environment, then this is the area of the coupon. In a practical application, we may want to calibrate EVS using coupons with a relatively small area and then make predictions for larger exposed areas.
We do not include the area of pits in the analysis. The parameter that characterizes the pit is its depth.
