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[–] 2 pts

And because concrete contains water in it too I guess. Thanks for not just saying "its mud REE"

Yeah it will trap water between the concrete and steel in some places and seal other places which then reduces the surface area of the anode which will then cause corrosion to happen faster in the exposed areas. There is also a bacterium effect in those thin layers between the steel and concrete where bacteria changes the properties of the electrolyte and give more paths for eddie currents.

[–] 0 pt

Thanks for being informative, hopefully everyone reads the comments for some more context to the post.

Also do you know much about nucleophilic substitution

https://basicmedicalkey.com/nucleophilic-substitution-addition-and-elimination-reactions/

Not a whole lot. My background is mostly electrical engineering and computer programming with a little bit of mechanical engineering tossed in so i can keep up with the Mech E's on the robotics side. My father has a PE in cathodic protection and i used to run jobs with him. Thats why i know about galvanic corrosion and impressed current cathodic protection systems.