Abstract

The formation of MoB through volume combustion synthesis (VCS), and through mechanochemical synthesis (MCS) followed by annealing has been investigated. MoO 3, B 2O 3 and Mg were used as reactants while MgO and NaCl were introduced as diluents. Products were leached in dilute HCl solution and were subjected to X-ray diffraction (XRD) analysis and scanning electron microscopy (SEM) examinations. Mo was the major phase component in the VCS products under all the experimental conditions. Mo 2B, MoB, MoB 2 and Mo 2B 5 were found as minor phases. Products of MCS contained a mixture of Mo 2B, MoB, MoB 2 and Mo. After annealing the MCS product at 1400 °C for 3 h, single phase α-MoB was obtained.

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