Effects of particle angular velocity and friction force on erosion enhanced corrosion of 304 stainless steel

被引：38
|
作者：
Mohammadi, Farzad [1 ]
Luo, Jingli [1 ]
机构：
[1] Univ Alberta, Dept Chem & Mat Engn, Edmonton, AB T6G 2V4, Canada
来源：
CORROSION SCIENCE | 2010年 / 52卷 / 09期
基金：
加拿大自然科学与工程研究理事会;
关键词：
Erosion enhanced corrosion; Current transient; Depassivation; Friction force; IMPINGEMENT ANGLE; OBLIQUE IMPACTS; PASSIVE FILM; SLURRY; SPHERES; BEHAVIOR; METALS; STEEL;
D O I：
10.1016/j.corsci.2010.05.012
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Erosion enhanced corrosion of 304 stainless steel was studied by single particle impingement. Velocities of the particles before and after impact were measured by a high speed camera. Impact and rebound dynamics of particles were used as a benchmark in analyzing the difference in the magnitude of current transients that were caused by passive film breakdown. Friction force and the effective path in which it acts on the surface showed significant influence on the extent of depassivation of the surface; however, the pre-impact angular velocity of the particles did not show a significant influence on the magnitude of current transients. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2994 / 3001
页数：8
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