| Title | Identification of circular eco-subsystems for end-of-life aviation composite components based on a systematized R6-strategy |
|---|---|
| ID_Doc | 64191 |
| Authors | Johst, P; Kucher, M; Schulz, P; Knorr, A; Kupfer, R; Böhm, R |
| Title | Identification of circular eco-subsystems for end-of-life aviation composite components based on a systematized R6-strategy |
| Year | 2023 |
| Published | |
| Abstract | The demand of composites in the aviation and space industry has increased significantly in recent decades. This is due to the excellent properties of composite materials, especially their low density and design flexibility. However, the reuse and further utilization of composite structures and their materials provide new challenges for the recycling sector. In accordance with the 'Green Deal' of the European Commission, new pathways are required to ensure an effective and economic reuse of composite components at their end-of-life (EoL). We discuss a strategic approach for returning decommissioned parts of aviation composites back into the material cycle with a particular focus on waste reduction, as well as the decrease of the associated energy demand and emissions. Therefore, a sustainable strategy to exploit various circular possibilities was applied, consisting of the six R-strategies: reuse, repair, refurbish, remanufacture, repurpose and recycling. The Multi-Tiered System of Support is transferred to the introduced R6-strategy. The concept provides an approach to address the challenges of reintroducing EoL composites into the material chain. Based on the systematized R6-strategy it was possible to identify circular eco-subsystems for aviation composite components with minimal effort. Finally, this paper discusses a potential criterion used for assigning EoL aviation composites to the various eco-subsystems. |
| https://iopscience.iop.org/article/10.1088/1742-6596/2526/1/012055/pdf |
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