High-Temperature Thermophysical Property Measurements on Non-Stoichiometric Composition of Li2TiO3
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概要
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Lithium titanate (Li2TiO3) ceramics is among the most promising candidates for solid breeder materials of fusion reactors. So far, many thermal property data of Li2TiO3 have been reported. However, those data are different, from researcher to researcher and not appropriate enough for the blanket design. In the present study, thermal properties of Li2TiO3 ceramics having different compositions (Li2O/TiO2=0.90∼1.00) have been determined with the laser-flash method over a temperature range from 300 to 1100 K. The observed value of thermal diffusivity decreased with increase in non-stoichiometry. It was also found that the temperature dependence of the thermal diffusivity showed a fall at around 1100 K for all the samples, in accordance with the lattice parameters of the samples, which also showed variation at about 1100 K.
- 公益社団法人 日本セラミックス協会の論文
公益社団法人 日本セラミックス協会 | 論文
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