Climate-smart high-performance aluminium (ClimAl)

Important results from the project

The project showed a path for sheet metal fabrication and forming of scrap-based Aluminum sheet. Important was the insight that existing models for 3xxx and 4xxx materials require improvement. New funding is being sought for database development and work on a new hot crack model is being completed and is planned to be published after the end of the project. Most importantly, the conclusion was that even for more complex alloys, soft forming can be an alternative to increase formability.

Expected long term effects

A consequence of warm forming working well to increase formability in scrap-based materials with more Fe joints is that non-traditional alloys used in the construction industry will likely also be suitable for use in the automotive industry.

Approach and implementation

Background work and work with casting and rolling took place at JU. Work with material testing for forming has involved Gränges for casting and rolling of the alloy that was studied. RISE has then mechanically tested the material and built a model that can be used in simulation. Simulation and forming testing have been done at AP&T. Selection of specific alloy has been done in dialogue between all parties including Polestar Performance and Stena Recycling.