A few months ago I started having a strange problem. The solder joins on some of my 2mm bronze wire bangles started to split as I was making them. Three out of five of a set I was making split and I had to start them again. Bearing in mind I sell a lot of bangles and have made hundreds of them without any solder join problems occuring before I was baffled. I also had a few solder join splitting occurances with 3mm bronze wire and 2mm copper wire. One of the joins on the 2mm bronze wire came open literally as I got the bangle out of the pickle pot and others would start to split when I put pressure on the join either by rounding the bangle on the mandrel or by hammering it on the mandrel. I thought about what I was doing differently..... but I wasn't doing anything differently from how I made all my other bangles! I use wire ranging from 1.8mm up to 5mm in copper, bronze and sterling silver. The process is the same - cut the wire, file the ends flat using a mitre jig, b...
silver copper bronze enamel