Consumable anode for cathodic protection, made of aluminum-based

Electrolysis: processes – compositions used therein – and methods – Electrolytic material treatment – Metal or metal alloy

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205730, 420528, C23F 1300

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active

055475604

ABSTRACT:
A consumable anode for cathodic protection of steels and alloys susceptible to corrosion in seawater operating in an electrochemical potential range in seawater of -870 mV to -700 mV based on the potential of a saturated calomel electrode, is composed of an aluminum-based alloy having a gallium percentage of 0.03 to 0.20% and/or a cadmium percentage of 0.03 to 0.20%.

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ASM Specialty Handbook, Aluminum and Aluminum Alloys, p. 639, Dec. 1993.

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