Welding. There’s something almost supernatural about being able to melt metal and use it to glue other pieces of metal together. It’s an experience you must have if you’ve never done it before.

The process of welding, in its elementary form, has remained unchanged for more than a century. By contrast, the machines that enable us to fuse metal to metal with an electrical current have advanced ...

Arc welding using the Metal filler wire as consumable electrode and an Inert Gas to protect the molten pool against oxidation. Figure 1. Schematic of the MIG welding process. In the metal inert gas ...