(Nanowerk Spotlight) The Spaniards called it Tumbaga – an alloy of gold and copper which they found in widespread use by the pre-Columbian cultures in Central America. The popularity of this alloy ...

In brazing and soldering tubing, we have a few things we need to accomplish to make a proper connection: We can’t overheat the joint to the point that it overheats the base metal or the flux where ...