On 21/05/2013 13:32, Bob Hobden wrote:
"Baz" wrote
I read ages ago that dissimilar metals can cause an electric current.
(basics for a small charge). Elecrolite static charge? We can get
corrosion
from this and during this process a polaric field can be obtained. It is
arguable that this is how life was formed with the aid of liquid water.



That's why you don't use Stainless Steel screws/bolts in Aluminium. The
Ally will just corrode away.

So what combination of metals would stand the best chance of success do
you think?