Friction stir welding industrialisation and research status

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Abstract
This paper intends to provide a perspective on the current development of the friction stir welding (FSW) technology. The industrialisation of the technology and related research were assessed by analysing patent and scientific publications databases. The literature reviews on FSW and related technologies were also collected and analysed. The work performed enabled to understand the main areas of industry/research where the FSW technology is being applied/explored and the geographical distribution of the main players in its implementation/research. The main FSW process variants, the materials already welded/processed using it, as well as the applications envisaged, were also analysed. The data collected shows that the FSW technology, originally developed for the joining of light alloys, became a research tool with interest in several fields of engineering and material science.
Funding Information
  • Fundação para a Ciência e a Tecnologia (POCI-01-0145-FEDER-007633, SFRH/BPD/93685/2013, UID/EMS/00285/2013)

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