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DCVG information


DCVG (direct current voltage gradient) is a survey technique used for assessing the effectiveness of corrosion protection on buried steel structures.[1] In particular, oil and natural gas pipelines are routinely monitored using this technique to help locate coating faults and highlight deficiencies in their cathodic protection (CP) strategies.

  1. ^ Roberge, Pierre R. (2008). Corrosion engineering: principles and practice. McGraw-Hill. p. 576. ISBN 978-0-07-148243-1.

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