Electroplating and Epoxy Repair Methods for Corroded 70/30 CuNi and Alloy 400 Seawater System Components,
1997
Jackovic, Timothy J. | Bleberich, Edward B.
70/30 CuNi and alloy 400 components used for Navy seawater immersion applications suffer a variety of corrosion problems including pitting, crevice corrosion, and galvanic corrosion. An effective method for repair of corroded components would result in significant cost savings by allowing refurbishment rather than replacement of damaged components. Electroplating and epoxy repair methods were tested to determine their effectiveness for repair of these alloys. Materials and techniques were Selected based on availability and current usage at Navy shipyards. Corrosion tests were developed which represented typical corrosion environments for 70/30 CuNi and alloy 400 components. Pipe specimens that contained both control and repair areas were tested for approximately 1 year in static seawater. Based on the test results, recommendations were made for repair of corroded 70/30 CuNi and alloy 400 components using electroplating and epoxy repair techniques.
Show more [+] Less [-]Presented at the Tri-Service Conference on Corrosion Held in Orlando, FL on 21-23, Jun 94.
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