کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1568310 | 1514247 | 2008 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Failure analysis of the effects of porosity in thermally oxidised nuclear graphite using finite element modelling
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی انرژی
انرژی هسته ای و مهندسی
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چکیده انگلیسی
Finite element models of thermally oxidised nuclear graphite were generated using three-dimensional high-resolution tomography images. Bulk tensile strength was then evaluated using a smeared-crack model, which shows an exponential decay in the bulk strength with increasing pore volume. The finite element results were in good agreement with radiolytic oxidation experiments. A stochastic analysis using a modified Weibull theory was also performed to describe the evolution of the failure process with increasing load for different levels of porosities.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Nuclear Materials - Volume 381, Issues 1–2, 31 October 2008, Pages 1–8
Journal: Journal of Nuclear Materials - Volume 381, Issues 1–2, 31 October 2008, Pages 1–8
نویسندگان
C. Berre, S.L. Fok, P.M. Mummery, J. Ali, B.J. Marsden, T.J. Marrow, G.B. Neighbour,