Design of magnetic aluminium (AA356) composites (AMCs) reinforced with nano Fe3O4, and recycled nickel: Copper particles

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Department of Mechanical Engineering-Engineering Mechanics


New classes of aluminium matrix composites (AMCs – 356) were designed by three different manufacturing techniques; only sintering, through combined method called here after “Sinter + Forging” and/or “sinter + thixoforming”. Main reinforcement was magnetic iron oxide, Fe3O4(10, 20 and 30 wt %) and two recycled reinforcements, nickel, Ni and pure electrolytic copper, Cu, given by French Aeronautical Society were also used and preceded under the constant process parameters such as hot compaction, sinter-forging, sintering time, Forging temperature and Force, etc. As auxiliary element, hybrid graphene nano-platelets, GNPs, was added in the structure. Microstructural analyses (by using SEM), magnetic, mechanical and physical properties of the composites were compared with three different manufacturing processes. Static compression tests, Micro hardness tests, measurement of magnetic permeability and also electrical conductivity, have shown that the mechanical and physical properties of these composites can be improved with the optimization of process parameters. In the present work, an alternative and a low cost manufacturing process were proposed for these composites.

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© The Society for Experimental Mechanics, Inc. 2019. Publisher's version of record:

Publication Title

Mechanics of Composite, Hybrid and Multifunctional Materials