Zinc-based alloy cadmium, use as a sacrificial anode and a sacrificial anode cathodic protection method for corrosion of threatened constructions in aggressive environment.

摘要

A zinc-based alloy, characterized in that consists of 0.4-0.6% by weight of aluminum, 0.02-0.03% by weight of indium, maximum 0.001% by weight of cadmium, maximum 0.005% by weight of iron, maximum 0.005% by weight of copper, maximum 0.006% by weight of lead maximum 0.0005% as tin, maximum 0.10% by weight of other metals, in particular nickel and thallium, and remainder zinc having a purity of about 99.995%.