کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7885966 | 1509784 | 2018 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Corrosion of nickel aluminate by Ca, Fe, Mg and V oxides and synthetic slags
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سرامیک و کامپوزیت
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چکیده انگلیسی
The corrosion resistance of a stoichiometric NiAl2O4 spinel was studied. NiAl2O4 spinel samples were exposed to either CaO, Fe2O3, MgO, V2O5 or synthetic slags at 1450â¯Â°C for 6â¯h. Two different synthetic slags were used, one containing high amount of Fe2O3, SiO2 and MgO and other with high amount of CaO and Al2O3. In most the cases, NiAl2O4 spinel was not chemically stable and, depending on the nature of the corrosive agent, several corrosion products were formed. The higher reactivity was observed for the system where a synthetic slag with high content of Ca and Al was used. Using the corrosion results and thermodynamic equilibrium calculations (FactSage 6.2) it was possible to elucidate the corrosion mechanisms.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Ceramics International - Volume 44, Issue 14, 1 October 2018, Pages 16522-16527
Journal: Ceramics International - Volume 44, Issue 14, 1 October 2018, Pages 16522-16527
نویسندگان
R. Allende-Mata, J.M. Almanza-Robles, J.C. Escobedo-Bocardo, D.A. Cortés-Hernández,