Came across the following information in an old book (Rust and Rot) and
thought some on the lists might find it of use........
"there are two parts
to a corrosion cell, the cathode (stays intact) and the anode (corrodes). In
the list of metals below, the greater the distance apart, the greater the
corrosive forces..." AL is a special case due to its protective oxidation
coating.
Carbon Silver 18/8 Stainless Steel Monel metal Bronze
Brass Nickel Tin Lead Lead/tin solder Cast iron Wrought
steel Mild steel Cadmium Impure Aluminum Pure AL Zinc Magnesium
alloy Magnesium
(Zinc is a good in-between isolator for dis-similar
metals)
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