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The objective of the EVASTIR project is to support the Swedish automotive industry with the production zero-emission vehicles using sustainable manufacturing processes. This project will develop a sustainable joining solution, friction stir welding, to support design and fabrication a cost-effective, scalable, lightweight and crash-resistant battery tray for electric vehicles. The specific technical objectives of this project are to develop friction stir welding procedures for dissimilar material joints of cast and extruded aluminium alloys and for high speed welding to 5m/min. The project aims to strengthen the Swedish competitiveness in the electric vehicle industry and the successful completion of this project would enable a full Swedish supply chain through OEM, subcontractor, raw materials supplier and manufacturing equipment supplier. The project results are expected to be implemented in Swedish electric vehicle production within 1 to 3 years after completion of the project.

Research Area

  • Teknik
  • Produktionsteknik

Research environment / Institution

  • Produktionsteknik
  • Primus (KK-miljö)
  • Institutionen för ingenjörsvetenskap

Project leader

Research Partner

  • Esab
  • Volvo Cars
  • Hydro Extruded Solutions

Research funding

  • Vinnova

Project time

2019 - 2022