Low iron, high purity zinc anodes were installed on bottom of harbor tug YTB-542 as sacrificial anodes; hull potential readings were taken weekly for 15 mo period; after which vessel was drydocked and hull examined; protective potentials, referred to silver-silver chloride half cell, of -- 0.85 to -- 0.90 v were maintained with ship at rest and averaged -- 0.78 v, when underway; condition of hull was excellent. (see also Corrosion v 13 n 8 Aug 1957 p 43-6)
Cathodic protection of active ship using zinc anodes
Am Soc Naval Engrs -- J
1956
4 pages
Aufsatz (Zeitschrift)
Englisch
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