Rapid consolidation of a nanostructured Mo-reinforced ZrO2 composite
Source abstract
Abstract
Abstract MoO 3 and Zr powders at a molar ratio of 1:1.5 were milled using a high-energy ball mill. The mixture powders produced Mo and ZrO 2 powders through a solid replacement reaction (MoO 3 + 1.5Zr → Mo + 1.5 ZrO 2 ) . The synthesized powders were consolidated via pulsed current activated sintering (PCAS) within 2 min. The mechanical properties (hardness and fracture toughness) and microstructure were then evaluated. Both the hardness and fracture toughness of the Mo-1.5 ZrO 2 composite were higher than those of monolithic ZrO 2 .
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