کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
189022 | 459672 | 2012 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Failure behavior of nano-SiO2 fillers epoxy coating under hydrostatic pressure
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
مهندسی شیمی (عمومی)
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چکیده انگلیسی
The failure of organic coating (epoxy resin filled with 5 mass% nano-SiO2 particles) on mild steel under high hydrostatic pressure (35 atm) has been studied compared with that under atmospheric pressure (1 atm), using impedance measurements, gravimetric testing, adhesion testing and scanning electron microscopy (SEM). The results show that high hydrostatic pressure accelerated the failure of the organic coating by promoting diffusion of water in the coating, which speeds up water spread and electrochemical reactions at the interface. The roughness of the coating and steel has been discussed from point of view of their respective fractal dimensions Dfc and Dfdl, as deduced from impedance measurements
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Electrochimica Acta - Volume 62, 15 February 2012, Pages 42–50
Journal: Electrochimica Acta - Volume 62, 15 February 2012, Pages 42–50
نویسندگان
Li Liu, Yu Cui, Ying Li, Tao Zhang, Fuhui Wang,