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Technical note: simulated transient loss of cathodic protection for buried pipelines
journal contribution
posted on 2005-05-01, 00:00 authored by N Birbilis, L J Holloway, Maria ForsythMaria ForsythThe effect of loss of cathodic protection (CP) on steel in soil is presented for simulated (anodic) telluric currents over and above CP currents. The potential of the steel is intentionally shifted to O V vs. silver/silver chloride (Ag/AgCl, saturated) for 20% of the test time in a cyclic manner (with a number of different cycle times tested). It is seen that the level of corrosion experienced by the steel is dominated by the length of individual transients and not cumulative anodic exposure. The nature of the soil was found to be important, with clay soil leading to significantly more corrosion than sandy soil.
History
Journal
CorrosionVolume
61Issue
5Pagination
498 - 501Publisher
NACE InternationalLocation
Houston, Tex.Publisher DOI
ISSN
0010-9312eISSN
1938-159XLanguage
engPublication classification
C1.1 Refereed article in a scholarly journalCopyright notice
2005, NACE InternationalUsage metrics
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