Leaching
Metals that come in contact with liquid solder leach off, that means, they dissolve into the solder. The speed with which the metals dissolve is dependent on temperature and the dynamics of the solder at the area it contacts the metal.
Metals that come in contact with liquid solder leach off, that means, they dissolve into the solder. The speed with which the metals dissolve is dependent on temperature and the dynamics of the solder at the area it contacts the metal.