What's the piece that's supposed to fail first (and prevent damage) called?
What's the piece that's supposed to fail first (and prevent damage) called?
The little metal pegs on a snow blower or a fuse in a circuit are examples I can think of.
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Sacrificial Part is the general term.
Another example would be a sacrificial piece of metal that will attract the corrosion over that of the metal of a boats prop under the waterline
Sacrificial anode
Usually zinc
Old beetles had some zinc under the bonnet for that, I think.
I've seen it on residential gas lines too.
TIL
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