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Article Dans Une Revue Materials Science and Technology Année : 2018

Strength of Mg-3%Al alloy in presence of graphene nano-platelets as reinforcement

Résumé

Bulk Mg–3%Al alloy-based nanocomposites containing graphene nano-platelets (GNPs) were synthesised using the powder metallurgy technique incorporating energy efficient hybrid microwave sintering and hot extrusion. GNPs in amounts of 0.1, 0.3 and 0.5 wt-% were investigated as reinforcements. Microstructural characterisation accomplished using optical, scanning and transmission electron microscopy revealed the presence of minimal porosity (<1%), a uniform distribution of GNPs in the matrix and a reduced grain size as a result of the presence of GNPs. The results of mechanical property characterisation revealed an overall improvement in micro-hardness and compressive response, due to the presence of GNPs, with best results exhibited by the Mg–3Al/0.3% GNPs composite. The ductility under compressive loading for composite samples remained higher than 20%.
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Dates et versions

hal-04287795 , version 1 (15-11-2023)

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Citer

Pravir Kumar, Ashis Mallick, Milli Suchita Kujur, Khin Sandar Tun, Rajashekhara Shabadi, et al.. Strength of Mg-3%Al alloy in presence of graphene nano-platelets as reinforcement. Materials Science and Technology, 2018, Materials Science and Technology, 34, pp.1086-1095. ⟨10.1080/02670836.2018.1424380⟩. ⟨hal-04287795⟩
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