کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7833119 | 1503516 | 2018 | 46 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Growth behavior of MgAl-layered double hydroxide films by conversion of anodic films on magnesium alloy AZ31 and their corrosion protection
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی تئوریک و عملی
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
MgAl-LDH films were produced through hydrothermally chemical conversion of pre-prepared anodic films on Mg alloy AZ31. The growth behavior and corrosion performance of the LDH films were investigated. Results reveal that morphology, chemical compositions and structure of LDH films vary greatly as a function of the conversion treatment conditions. Internal sources of Mg2+ and Al3+ cations for the formation of LDH films were ascribed to: (i) degradation of the anodic films; and (ii) dissolution of the AZ31 substrate. Moreover, the Stranski-Krastanov (SK) growth mode, two-dimensional layer growth (2D) to three-dimensional (3D) growth, was proposed to explain the transformation process.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Surface Science - Volume 456, 31 October 2018, Pages 419-429
Journal: Applied Surface Science - Volume 456, 31 October 2018, Pages 419-429
نویسندگان
Gen Zhang, Liang Wu, Aitao Tang, Xiao-Bo Chen, Yanlong Ma, Ying Long, Peng Peng, Xingxing Ding, Huiling Pan, Fusheng Pan,