Olaf Greve wrote:
>
---large snip---
>
> O.k., so Zinc it is I guess. Still, when talking about the projectiles: I
> think an Aluminium tip attached to a steel "jacket" will have more or less
> the same effect, right?
>
Steel (iron) and aluminum are "dissimilar metals" with aluminum being
considerably more "active". They do form an electrolytic couple, just
like steel and zinc, with the aluminum acting as the sacrificial anode.
Jerry
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