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Powder metallurgy of Mg–1%Al–1%Sn alloy reinforced with low content of graphene nanoplatelets (GNPs)
Muhammad Rashad,Fusheng Pan,Muhammad Asif,Aitao Tang 한국공업화학회 2014 Journal of Industrial and Engineering Chemistry Vol.20 No.6
The Mg–1%Al–1%Sn–0.18% graphene nanoplatelets (GNPs) composite is fabricated by semi powdermetallurgy method followed by hot extrusion. Microscopic observation revealed the uniformdistribution of GNPs in the matrix. The addition of 0.18 wt% GNPs to Mg–1wt%Al–1wt%Sn alloy leadto increase in tensile strength (i.e., from 236 to 269 MPa). The increase in strength of the composite couldbe due to high specific surface area, superior nano-filler adhesion and two-dimensional structure ofGNPs.
Muhammad Rashad,Fusheng Pan,Aitao Tang,Muhammad Asif,Shahid Hussain,Jun Gou,Jianjun Mao 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.23 No.-
The Mg–Al–graphene nanoplatelets (GNPs) nano-composites were synthesized using the powder metallurgy method. The effect of Al–GNPs hybrids addition in to pure Mg was examined through tensile and Vicker hardness tests. The GNPs content was kept constant (0.18 wt.%) and Al content was varied from 0.5 wt.% to 1.5 wt.%. The increase in Al content led to increase in 0.2%YS, UTS and failure strain (%). However for Al content exceeding over 1 wt.%, the failure strain(%) started to decrease. The best improvement was achieved with 1 wt.% Al (Mg–1.0Al–0.18GNPs). Mechanical strength of synthesized composites proved to be better than Mg–Al–CNTs and Mg–ceramic composites.