Circular Indicators to Support Decision-Making in the Aerospace Industry In collaboration with GKN Aerospace Engine Systems

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Examensarbete för masterexamen
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The global aerospace industry faces increasing pressure to address the environmen- tal consequences of industrial production, with a particular emphasis on reducing greenhouse gas emissions. In this context, circular economy practices have emerged as a strategic approach to reduce environmental impact and improve resource ef- ficiency. This thesis explores how circularity can be measured, reported, and im- proved at GKN Aerospace Engine Systems. Through literature review, interviews, and factory observations, the study identifies key functions influencing circularity and examines the information they require to support circular decision-making. A set of circular indicators are proposed, emphasizing material efficiency, use of recy- cled materials, and waste purity, and aligned with frameworks like ISO 59020:2024. Additionally, the business implications of circularity are analyzed, showing poten- tial for reduced supplier dependency, cost savings, and new revenue streams through expanded repair services. The findings contribute both practical recommendations for the aerospace industry and insights into how CE practices can be implemented and evaluated in high-precision industries.

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Sustainability, Circular Economy, Reduce, Repair, Recycle, Circular Business Models, Circular Indicators, Aerospace, Aviation Sector, GKN Aerospace Engine Systems

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