Quote:
Originally Posted by B15M  A while back there was a post about this on TH.
I asked my brother who has his doctorate in physics from Brown University and he told me that it does nothing to the brass. I didn't ask about the idea of bonding one metal to another. He said the only way to change the brass is to heat it.
Here is the question; how do you heat the brass enough to change the properties without melting the solder holding it together?
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#1) That guy's brother is either ignorant or didn't understand the question. Leave it outside for the month of February, or in a meat freezer, and see what it is like afterwards. It will be hard and brittle.
#2) Very carefully. When a bell is annealed sometimes the rim needs to be re-soldered afterwards.