Short Circuit Transfer Mode
Short Circuit transfer mode works by the electrode making contact with the Base Material then snapping off due to the resistance heating the wire and then melting off, after a puddle is formed the electrode makes contact with the weld pool to do the same thing. This is repeated at a rate of 20-200 times per second which allows you to make a weld. The video below is a video of this happening in Slow motion.
This transfer mode mostly involves low current densities and smaller wire diameters. This transfer mode is on of the least inefficient transfer modes do to more spatter.