I have certain copper pieces that I could use as electrodes for EDR. I am not sure if that is safe from environmental standpoint and whether copper would dissolve (I may later use them for different purposes). Any ideas?
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whether
No need for copper - a steel plate works fine but will be sacrificed over time. I've seen people say don't use stainless steel as that makes for an environmentally nasty electrolyte to dispose of.
AWEM
I see.. Thanks. I have plenty of junk steel that is leftovers from my welding practice. I will simply stick to it.
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