کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7963097 | 1514139 | 2018 | 42 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Si-rich phases and their distributions in the oxide scale formed on 304 stainless steel at high temperatures
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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
Si-rich phases and their distributions in the oxide scale formed on 304 stainless steel (304SS) kinetically affects SiO2 volatilization for the formation of silicate-based Cs-bearing microparticles released during the Fukushima Daiichi Nuclear Power Plant accident. Therefore, we investigated Si-rich phases and their distributions in the oxide scale on 304SS oxidized in H2O-H2 mixtures over the temperature range 1000-1300â¯Â°C. SiO2 film stays at the base of the Cr2O3-type scale formed at low temperatures or high H2 contents in steam. Fe2SiO2 phase is non-uniformly distributed in the spinel-type scale formed under opposite conditions. Fe2SiO2 accumulation in the spinel-type scale is attributed to its thermodynamically metastable state in H2O-H2 mixtures. With increasing oxidation time, Fe2SiO2 phase was further oxidized into SiO2 phase.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Nuclear Materials - Volume 507, 15 August 2018, Pages 327-338
Journal: Journal of Nuclear Materials - Volume 507, 15 August 2018, Pages 327-338
نویسندگان
Lichun Zheng, Kazuya Hosoi, Shigeru Ueda, Xu Gao, Shin-ya Kitamura, Yoshinao Kobayashi,