Enabling a Low-Carbon Future with Recyclable Light Metal Alloys: From Efficient Production to Circular Light Metal Systems

This presentation was delivered at the "2025 Shaping a Low-Carbon Future: Smart Cycles, Clean Processes, and Metal Reborn Conference" in Taichung, Taiwan. It explores the critical role of light metals (Aluminum and Magnesium) in decarbonizing the transport and energy sectors. The presentation highlights the transition from linear to circular economies, detailing the "10 R-Strategies" and specific challenges such as the downcycling of Aluminium due to impurity accumulation.

The slides provide an overview of three key European projects—RecAL, Digi4Circular, and SUSTAINair—that aim to solve these challenges through:

• RecAL: Developing a digital circularity hub and advanced sorting technologies to maximize impurity tolerance in next-generation alloys.
• Digi4Circular: Creating a digital platform for data-driven product development and Digital Product Passports (DPP) to enable a circular economy.
• SUSTAINair: Focusing on circular design, reuse, and recycling of airframe and engine parts to increase sustainability in the aerospace sector.

Key topics include alloy design for recycling (tolerance engineering), digital tracking of material flows, and science-based decarbonization pathways for the European Aluminium industry.