Friction pulse bonding (FPB) is a process that uses the principles of friction welding to produce a seam weld in thin plate (<2mm thick).
A non-consumable wheel (made from hardened steel) is rotated at high speed and brought into contact with the components to be joined. The heat generated by friction and by a secondary ultrasonic pulsing effect combine to cause material movement and diffusion at the interface. Process operating principles are shown in the diagram.
The FPB process can produce lap seam welds in a variety of materials.
Further information
FAQ: What materials can be welded using friction pulse bonding?
FAQ: Is friction pulse bonding an industrially mature process?
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