Abstract
In this work, an alternative aluminium matrix composite (AMCs) was designed from the recycled chips of the aluminium series of AA7075 (90 wt %) and Al-Zn-Mg-Si-Ni (10 wt %) given by French aeronautic company to prepare a typical matrix after that we have designed a composite through combined method of powder metallurgy followed by Sintering + Forging. Basically, B2O3 (4 wt %, 8 wt %), TiC (5 wt %), fine Al2O3 Fibre (5 wt %), Zn (4 wt %) and Nb2Al (4 wt %) were added as the main reinforcements. To increase wettability of the reinforcements, we doped them through a thermomechanical treatment. The main idea of this research is to propose an alternative low cost composite for the application in a mechanism to transfer motion for the connection links, for example; between the two railways wagons etc. and also some connecting link in aeronautical pieces as an alternative replacement for conventional alloys used in this area. Mechanical properties, static compression 3-Point Bending (3PB) and dynamic drop weight tests and also micro-hardness results of these composites have been carried out. The microstructure analyses were evaluated by Scanning Electron Microscope (SEM).
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Acknowledgements
This work has been carried out on the frame of collaboration between Supmeca/PARIS and Michigan Technical University/Houghton-MI-USA. Authors acknowledge and appreciate so much to the Dr. H-A. ALHAS from Airbus Space in London/UK for supplying materials and for technical help.
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Katundi, G., Katundi, D., Bayraktar, E., Miskioglu, I. (2020). Alternative Composite Design from Recycled Aluminium (AA7075) Chips for Knuckle Applications-II. In: Singh, R., Slipher, G. (eds) Mechanics of Composite and Multi-functional Materials, Volume 5. Conference Proceedings of the Society for Experimental Mechanics Series. Springer, Cham. https://doi.org/10.1007/978-3-030-30028-9_2
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DOI: https://doi.org/10.1007/978-3-030-30028-9_2
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