Abstract
The nano-sized ZrO2-reinforced Mo alloy was prepared by a hydrothermal method and a subsequent powder metallurgy process. During the hydrothermal process, the nano-sized ZrO2 particles were added into the Mo powder via the hydrothermal synthesis. The grain size of Mo powder decreases obviously with the addition of ZrO2 particles, and the fine-grain sintered structure is obtained correspondingly due to hereditation. In addition to a few of nano-sized ZrO2 particles in grain boundaries or sub-boundaries, most are dispersed in grains. The tensile strength and yield strength have been increased by 32.33 and 53.76 %.
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This work was supported by Program for Chang Jiang Scholars and Innovative Research Team in University (IRT1234) and National Natural Science Foundation of China (50972039, U1504514).
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Cui, C., Gao, Y., Wei, S. et al. Study on preparation and properties of molybdenum alloys reinforced by nano-sized ZrO2 particles. Appl. Phys. A 122, 214 (2016). https://doi.org/10.1007/s00339-016-9743-1
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DOI: https://doi.org/10.1007/s00339-016-9743-1