Immersion test result of galvanic anode for flange joint crevice corrosion

摘要

A flange joint with Zinc anode was used. It was immersed in filtered natural seawater. After 84 days no sign of crevice corrosion was found on the SUS304 flange with Zinc anode, while crevice corrosion ,maximum depth of 0.26mm, occurred on the SUS 304 flange without Zinc anode near the edge of the gasket sheet.