sacrificial anode ? for rust prevention

[dimeN]

Hi
maybe its been discussed before... but what about using a sacrificial anode to slow or stop any rusting due to the Cl in the corrosive primer's ?
-i'm not saying to galvanize the whole gun but maybe a block of zinc,Mg, or Al might cut down on the chance of rust pitting

also i have little faith in chrome plating

http://www.cip.ukcentre.com/rust2.htm
http://www.dynamicscience.com.au/tester/solutions/chemistry/corrosion/rustpreventionsacanode.htm


just wonderin if someones tried it

 

[Grizzlypeg]

A sacrifical anode can influence corrosion when it is placed in electrical continuity with both sides of the circuit, ie both the metal being protected and the solution in which it is emersed. If its isolated from the solution in which the rusting is occurring, it can't place an electrical reverse bias on the circuit and inhibit rust. That's why discrete sacrificial anodes are use on ship hulls, boat motors, inside hot water tanks, etc. Otherwise, you have to use zinc, for instance, as a complete coating and not just a discrete anode in one location.

 

[SandRoad]

And sacrificial anode is to prevent electrolytic corrosion and needs to be connected to a ground. So won't do much on a rifle unless you ground it or it's submerged.

 

[SandRoad]

Otherwise, you have to use zinc, for instance, as a complete coating and not just a discrete anode in one location.

Zinc plating is also known as galvanizing.

 

[dimeN]

Man, you guys are quick !

thanks, that makes alot of sense .