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 ...

• The process is completed in a few seconds with very high reproducibility - an essential requirement for a mass production industry. Now, a new variant from the same stable of friction processes, ...

A spinning tool plunges into two pieces of metal, rotating at a high rate of speed. As the tool begins to move, it softens and mixes the metal, creating a powerful weld—one that can securely join ...