کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7963319 | 1514144 | 2018 | 28 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Development of accident tolerant FeCrAl-ODS steels utilizing Ce-oxide particles dispersion
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی انرژی
انرژی هسته ای و مهندسی
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چکیده انگلیسی
FeCrAl-ODS ferritic steels with Ce-oxide dispersion instead of Y-oxide were produced for the accident tolerant fuel cladding of the light water reactor. Excess oxygen (Ex.O) was added to improve the mechanical property. The tensile strength at Ex.Oâ¯=â¯0 is around 200â¯MPaâ¯at 700â¯Â°C, mainly owing to dispersed Ce2O3 particles in less than 10â¯nm size. The formation of the fine Ce2O3 particles is dominated by a coherent interface with ferritic matrix. With increasing Ex.O, an increased of number density of coarser Ce-Al type oxide particles over 10â¯nm size is responsible for the improvement of the tensile strength. Change of the type of oxide particle, CeO2, Ce2O3, CeAlO3, Al2O3, in FeCrAl-ODS steel was thermodynamically analyzed as a parameter of Ex.O.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Nuclear Materials - Volume 502, 15 April 2018, Pages 228-235
Journal: Journal of Nuclear Materials - Volume 502, 15 April 2018, Pages 228-235
نویسندگان
Hiroki Shibata, Shigeharu Ukai, Naoko H. Oono, Kan Sakamoto, Mutsumi Hirai,