首页|Fabrication of fine-grained Li2TiO3 ceramic pebbles with enhanced crush load by rolling method: Optimization of Li/Ti ratio and sintering procedure
Fabrication of fine-grained Li2TiO3 ceramic pebbles with enhanced crush load by rolling method: Optimization of Li/Ti ratio and sintering procedure
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NSTL
Elsevier
Li2TiO3 ceramic pebbles ought to have high crush strength and uniform microstructure for safety operation and efficient tritium release. Fabrication techniques should be optimized to achieve the desired properties. In our previous work, Li-rich Li2TiO3 ceramic pebbles with a satisfied crush load of 41 N were fabricated by a productive rolling method. Based on this work, effects of raw materials selection, Li/Ti ratio, and sintering atmosphere on Li-Ti-O phase formation were investigated. The pebbles with homogeneous microstructure and enhanced crush load of 92 N were obtained by optimizing the Li/Ti ratio and sintering procedure. The optimal Li/Ti ratio is determined to be 2.5, and the pebbles should be first sintered in air to achieve a high crush strength and then annealed in vacuum to remove the carbonate impurities. (C)& nbsp;2022 Elsevier B.V. All rights reserved.
NSTL
Elsevier
