Aluminium is increasingly being recognised as an alternative, weight-saving construction material in shipbuilding. Friction Stir Welding expands the scope of application of this material by providing accurate welded components that require minimal fit-up work, and by allowing the use of high strength aluminium grades that were formerly regarded as un-weldable. ESAB LEGIO~(TM) modular friction stir welding machines bring this new welding process within reach at moderate investment costs. Here we discuss the main benefits of friction stir welded aluminium components in ship structures.
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