Modeling of tritium release behavior of biphasic Li2TiO3–Li4SiO4 ceramics

Ran, Guangming; Yang, Mao; Zhao, Linjie; Xiao, Chengjian

doi:10.1016/j.ceramint.2024.03.343

Ceramics International

2024

DOI: 10.1016/j.ceramint.2024.03.343

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Modeling of tritium release behavior of biphasic Li2TiO3–Li4SiO4 ceramics

Guangming Ran,

Mao Yang,

Linjie Zhao

et al.

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2024

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Experiments on High-Temperature Irradiation of Li2ZrO3/MgLi2ZrO4 Ceramics by He2+ Ions

Shlimas,

Khametova,

Kozlovskiy

et al. 2024

Ceramics

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The key objective of this study is to determine the effect of interphase boundaries, the formation of which is caused by the variation of Li2ZrO3/MgLi2ZrO4 phases in lithium-containing ceramics based on lithium metazirconate, on the resistance to near-surface layer destruction processes associated with irradiation with He2+ ions. During the observation of the deformation effects that have an adverse impact on the volumetric swelling of the near-surface layers of ceramics, the thermal expansion factor caused by high-temperature irradiation was considered, simulating conditions as close as possible to the operating conditions of these materials as blankets for tritium propagation. During the studies conducted, it was established that an elevation in the contribution of MgLi2ZrO4 in the composition of ceramics leads to a rise in resistance to deformation swelling caused by structural distortions of the crystal lattice, due to a decrease in the effect of thermal expansion, alongside the presence of interphase boundaries. The established dependencies of the change in the hardness of the near-surface layer of the studied ceramics made it possible to establish the kinetics of softening caused by the deformation distortion of the crystalline structure, as well as to determine the relationship between volumetric swelling and softening (change in hardness) and a decrease in crack resistance (change in the value of resistance to single compression).

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Experiments on High-Temperature Irradiation of Li2ZrO3/MgLi2ZrO4 Ceramics by He2+ Ions

Shlimas,

Khametova,

Kozlovskiy

et al. 2024

Ceramics

View full text Add to dashboard Cite

show abstract

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Modeling of tritium release behavior of biphasic Li2TiO3–Li4SiO4 ceramics

Cited by 1 publication

References 35 publications

Experiments on High-Temperature Irradiation of Li2ZrO3/MgLi2ZrO4 Ceramics by He2+ Ions

Experiments on High-Temperature Irradiation of Li2ZrO3/MgLi2ZrO4 Ceramics by He2+ Ions

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