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Answer to Question #68416 in Chemistry for J.C. Hernandez

Question #68416
Can I claim that a hot dip Aluminum coating in steel provides cathodic protection to a substrate since Al can act as sacrificial anode?
1
Expert's answer
2017-05-22T11:59:09-0400
Aluminum passivates and this passive film breaks the potential electrochemical circuit. Therefore, it cannot provide cathodic protection.

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