Effect of graphene nanoplatelets (GNPs) addition on strength and ductility of magnesium-titanium alloys

Abstract

Effect of graphene nanoplatelets (GNPs) addition on mechanical properties of magnesium–10wt%Titanium (Mg–10Ti) alloy is investigated in current work. The Mg-(10Ti + 0.18GNPs) composite was synthesized using the semi powder metallurgy method followed by hot extrusion. Microstructural characterization results revealed the uniform distribution of reinforcement (Ti + GNPs) particles in the matrix, therefore (Ti + GNPs) particles act as an effective reinforcing filler to prevent the deformation. Room temperature tensile results showed that the addition of Ti + GNPs to monolithic Mg lead to increase in 0.2% yield strength (0.2% YS), ultimate tensile strength (UTS), and failure strain. Scanning Electron Microscopy (SEM), Energy-Dispersive X-ray Spectroscopy (EDS) and X-Ray Diffraction (XRD) were used to investigate the surface morphology, elemental dispersion and phase analysis, respectively.