Thread: Unsolderable wire?
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MJC MJC is offline
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Default Unsolderable wire?
In article ,
says...

A secondary problem with soldering dissimilar metals is that any
moisture risks causing galvantic action/corrosion of the join, and
in the case of aluminium, this happens even between the aluminium
and the solder used. Selecting a flux which can strip the aluminimum
oxide well whilst not leaving any residue which eventually corrodes
the join is a bit of a challenge.

This reminded me that I once knew about "purple plague". There's an
article about it in Wikipedia.

Mike.
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