کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
193075 459760 2009 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Modeling influence of gas/liquid/solid three-phase boundary zone on cathodic process of soil corrosion
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی مهندسی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
Modeling influence of gas/liquid/solid three-phase boundary zone on cathodic process of soil corrosion
چکیده انگلیسی

Geometric properties of gas/liquid/solid three-phase boundary (TPB) zones of dispersive liquid on a metal surface in soils, play an important role in the cathodic and corrosion behavior of metals. The correlation between the TPB geometric parameters (e.g. its length and width) and the soil water content is established, and on this basis, the influence of TPB parameters on the cathodic oxygen reduction process of soil corrosion is simulated. The simulation result shows an initial increase and a subsequent decrease in cathodic limiting current with increasing soil water content, and a maximum is present at about 60% water content of their water holding capacity (WHC), in good agreement with the experimental results. In addition, a parameter b is proposed to evaluate the liquid dispersion in soils, and a linear dependence of cathodic limiting current on parameter b is calculated from the model, confirming the important role of liquid dispersion in soil corrosion systems.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Electrochimica Acta - Volume 54, Issue 13, 1 May 2009, Pages 3623–3629
نویسندگان
, , , ,