Abstract
Li2TiO3 is a vital candidate breeder to solve tritium self-consistency of fusion reaction. In this study, Digital Light Processing (DLP) based on Stereolithography technology was used to fabricate Li2TiO3 pebbles for the first time. Ceramic suspensions with different solid loadings were prepared by mixing modified Li2TiO3 powder with UV-curable premixture. The size error of Li2TiO3 green pebbles was corrected by adjusting the deformation factor of equatorial radius, and the Li2TiO3 green pebbles were successfully fabricated with an accurate size. After sintering processing, the Li2TiO3 pebbles with a uniform diameter of 1.5 mm and better sphericity of 1.01 were yielded. The sintering behavior of Li2TiO3 pebbles were investigated. Results showed that the Li2TiO3 pebbles formed with 35 vol% solid loading, and sintered at 1050 ℃ had a uniform pore distribution, and also had optimal properties, such as high relative density of 93.6 %TD, and prominent crush load of 92.3 N.
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