کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1569052 999916 2008 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Fabrication of uniform ZrC coating layer for the coated fuel particle of the very high temperature reactor
موضوعات مرتبط
مهندسی و علوم پایه مهندسی انرژی انرژی هسته ای و مهندسی
پیش نمایش صفحه اول مقاله
Fabrication of uniform ZrC coating layer for the coated fuel particle of the very high temperature reactor
چکیده انگلیسی
Fuel for the very high temperature reactor is required to be used under severer irradiation conditions and higher operational reactor temperatures than those of present high temperature gas cooled reactors. Japan Atomic Energy Agency has developed zirconium carbide (ZrC)-coated fuel particles previously in laboratory scale which are expected to maintain their integrity at higher temperatures and burnup conditions than conventional silicon carbide-coated fuel particles. As one of the important R&D items, ZrC coating process development has been started in the year 2004 to determine the coating conditions to fabricate uniform structure of ZrC layers by using a new large-scale coater up to 0.2 kg batch. It was thought that excess carbon formed in the ZrC layer under the oscillation of coating temperature would cause non-uniformity of the ZrC layer. Finally, uniform ZrC coating layer has been fabricated successfully by adjusting the time constant of the coater and keeping the coating temperature at around 1400 °C.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Nuclear Materials - Volume 376, Issue 2, 31 May 2008, Pages 146-151
نویسندگان
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