کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9803823 | 1516473 | 2005 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Application of internal gelation to sol-gel synthesis of ceria-doped zirconia microspheres as nuclear fuel analogous materials
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
فلزات و آلیاژها
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
Optimizing of internal gelation based on the sol-gel synthesis was carried out for manufacturing of plutonium-doped zirconia microspheres used as nuclear fuels. In the present study, cerium was used as a surrogate for plutonium. So far, the Er0.05Y0.1CexZr0.85âxO1.925 (x = 0.0-0.2) microspheres were successfully sintered to suppress the rapid reaction such as the thermal decomposition of by-products such as ammonium nitrate and formaldehyde at the calcination process. However, some cracks and pores were still observed in the sintered microspheres. As a result, these sintered densities reached 71-86% TD. From the crystallographic point of view, the sintered zirconia microspheres had the cubic fluorite structure and well formed the solid-solution oxide. The lattice constant of cubic zirconia increased with the amount of doped ceria.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Alloys and Compounds - Volume 394, Issues 1â2, 17 May 2005, Pages 271-276
Journal: Journal of Alloys and Compounds - Volume 394, Issues 1â2, 17 May 2005, Pages 271-276
نویسندگان
Tatsumi Arima, Kazuya Idemitsu, Kazuhiro Yamahira, Satoshi Torikai, Yaohiro Inagaki,