A 0,25mm copper braid consisting of 0,08mm strands is heated to 220°C for 35 minutes which causes the surface to take a golden hue.
The material feels the same, but still I would like to know what causes the color change and if it influences the ability to bend and withstand vibrations.
NSV
We have a proces where we dip solder a 0.1" lead wire made as a braid of 0.003" (approx. AWG 40) copper strands. Apparently the copper shrinks or disappears in the process.
Could it be that the very thin strands simply alloy with the tin to bronze and are dissolved in the tin bath even though...
I'm new to Eng Tips, so I am not sure which forum to ask - hopefully you can help or redirect me.
Soldering of aluminium is critical and diffiult compared to copper because of the very inert layer of aluminium oxide that immediately forms when the metal is exposed to air.
In our production we...
