Figure 1. Various test samples that have been laser welded in an applications lab (a) and a low-density polyethylene fluid container welded with a diode laser system (b). Direct welding of plastics is ...

Friction stir welding joins previously unweldable materials. Friction stir welding, a relatively new process, is having a tremendous impact on welding dissimilar alloys. It was developed in 1991 by ...

Think of continuous welding as a tap always running at full flow. Pulse welding, by contrast, works like an intelligent sensor tap—it blasts high current to melt metal quickly, then eases to a ...