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| Naji, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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Yao, Jin
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Publications (5/5 displayed)
- 2019The fabrication of graphene-reinforced Al-based nanocomposites using high-pressure torsioncitations
- 2019High-throughput physical vapour deposition flexible thermoelectric generatorscitations
- 2017Tuneable sputtered films by doping for wearable and flexible thermoelectrics
- 2014n-type chalcogenides by ion implantationcitations
- 2014n-type chalcogenides by ion implantation.citations
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article
The fabrication of graphene-reinforced Al-based nanocomposites using high-pressure torsion
Abstract
Metal matrix nanocomposites were fabricated by high-pressure torsion (HPT) using 5% graphenenanoplates as a reinforcement contained within an Al matrix. Powders were mixed and compacted atroom temperature and then processed by HPT at three different temperatures of 298, 373 and 473 K.After processing, microstructural observations were undertaken to reveal the distributions of graphenein the matrix, the grain refinement in the aluminium and the nature of the graphene-aluminium interfaces.Tests were performed to measure the microhardness, the tensile stress-strain curves and theelectrical conductivity. The results show that processing by HPT is advantageous because it avoids thesintering and high temperature deformation associated with other processing routes.