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Friction Stir Welding
Hitachi Friction Stir Welding System
The Hitachi FSW system, a friction stir welding head mounted on a Yaskawa Motoman industrial robot, performs solid-state joining of metals by mechanically stirring material below its melting point. This produces high-strength, defect-free joints with minimal distortion, ideal for aluminum and other non-ferrous alloy research.
- Process Solid-state friction stir welding
- Materials Aluminum and other non-ferrous alloys
- Benefits Low residual stress, excellent joint integrity
- Platform Hitachi FSW head on a Yaskawa Motoman industrial robot
Unique Capabilities
- Solid-state joiningMaterial is stirred below its melting point, avoiding porosity and solidification cracking common in fusion welding.
- Low distortion and residual stressLower heat input reduces distortion and residual stress in welded structures.
- High-strength jointsProduces defect-free joints well suited to aluminum and non-ferrous alloys that are difficult to fusion weld.
Typical Applications at MMRL
Structural welding research and process development.
In the Lab
Publications Using This Machine
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