Frequently Asked Questions
FRICTION STIR WELDING PROCESS
Friction Stir Welding is a solid-state joining process where a rotating tool generates heat and joins materials without melting them.
FSW is commonly used for aluminum, magnesium, copper, titanium, and some steel alloys.
It provides high joint strength, low distortion, no filler material, and minimal defects.
No, FSW does not require any filler material as it joins metals through plastic deformation.
Aerospace, automotive, railway, shipbuilding, and electronics industries widely use FSW.
The rotating tool generates frictional heat and mechanically mixes the material to form a strong joint.
It requires rigid clamping, specialized tools, and is less suitable for complex curved joints.
Yes, FSW can be fully automated using CNC machines and robotic systems.
FSW improves grain structure and reduces residual stresses, enhancing mechanical properties.
Yes, it produces no fumes, requires no shielding gas, and consumes less energy than fusion welding.
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