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Recycling 2017, 2(4), 21; https://doi.org/10.3390/recycling2040021

Materials Stock of the Civilian Aircraft Fleet

1
School of Engineering, Pforzheim University, Pforzheim 75175, Germany
2
MORE AERO GmbH, Hamburg 20354, Germany
*
Author to whom correspondence should be addressed.
Received: 2 October 2017 / Revised: 2 November 2017 / Accepted: 2 November 2017 / Published: 5 November 2017
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Abstract

Currently, about 25,500 large commercial aircraft are in use for passenger transport or as freighters, or in storage. As of today, the most prevalent metals in aircraft recycling are aluminium, as well as nickel and titanium super alloys, e.g., for the engines. The total fleet weight amounts to about 1.3 million metric tons of materials (not only metals). The aircraft engine material stock alone amounts to about 170,000 metric tons in the entire fleet. In the coming decade, more than 200,000 metric tons of obsolete aircraft structural materials can be expected for recycling. This article aims to quantify this flying stock in more detail. View Full-Text
Keywords: aircraft; aluminium; life cycle of aircraft; nickel; recycling; titanium aircraft; aluminium; life cycle of aircraft; nickel; recycling; titanium
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Woidasky, J.; Klinke, C.; Jeanvré, S. Materials Stock of the Civilian Aircraft Fleet. Recycling 2017, 2, 21.

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