کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1567826 999875 2009 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Fabrication and improvement of the density of Li2TiO3 pebbles by the optimization of a sol–gel method
موضوعات مرتبط
مهندسی و علوم پایه مهندسی انرژی انرژی هسته ای و مهندسی
پیش نمایش صفحه اول مقاله
Fabrication and improvement of the density of Li2TiO3 pebbles by the optimization of a sol–gel method
چکیده انگلیسی

Li2TiO3 is regarded as a promising candidate breeder in solid blanket concepts. Pebble configuration has been a preferred option due to its potential advantages in blanket design. Li2TiO3 pebbles were successfully fabricated by a water-based sol–gel method previously. However, the sintered density of the pebbles was very low (less than 70% theoretical density). The process parameters were optimized and the sintered density of the pebbles was improved significantly in this work. Li2TiO3 pebbles with density as high as 85% were obtained at a relatively lower sintering temperature (1100 °C) and shorter sintering time (4 h). The experimental results showed that the viscosity of the sol was influential to the sphericity of the gel-spheres and thus the sintered pebbles. The variety of lithium source, the pH value of the solution and the sintering conditions demonstrated significant influences on the microstructure and density of the sintered Li2TiO3 pebbles.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Nuclear Materials - Volume 393, Issue 1, 15 August 2009, Pages 186–191
نویسندگان
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