Cover Story

Five Fume Control Strategies for Laser Welding

Laser welding is often praised as a “clean” process. There’s no arc flash, little spatter, and, in many cases, no visible fume. But the apparent cleanliness can be misleading. Behind every weld lies an invisible cloud of submicron particles and vaporized gases generated as the laser interacts with the base material, coatings, or filler metals.