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Effect of Hydrostatic Pressure on the Pitting Corrosion Behavior of 316L Stainless Steel
Z. Y. Wang; Y. Cong; T. Zhang
2014
Source PublicationInternational Journal of Electrochemical Science
ISSN1452-3981
Volume9Issue:2Pages:778-798
AbstractThe pitting corrosion behavior of 316L stainless steel (316L SS) was investigated by electrochemical measurements, nanoindentation and microscopy observation. The experiment results have been analyzed based upon the stochastic theory. Pitting initiation process has been modeled as anonhomogeneous Poisson process and analyzed using a Weibull distribution function. Pitting growth process has been simulated by a nonhomogeneous Markov process and analyzed using Gumbel distribution function. The analysis results revealed that hydrostatic pressure had three effects on the pitting corrosion behavior of 316L SS: (1) the increasing hydrostatic pressure enhance the mechanical properties of passive film; (2) the increasing hydrostatic pressure retarded the B1 process and accelerated the A3 process; (3) the pitting growth probability decreased with the increase of hydrostatic pressure. The above three factors led to the improvement of pitting corrosion resistance of 316L SS with the increasing of hydrostatic pressure.
description.department[wang, zhongyi] harbin engn univ, coll power & energy engn, harbin 150001, peoples r china. [cong, yuan ; zhang, tao] harbin engn univ, corros & protect lab, key lab superlight mat & surface technol, minist educ, harbin 150001, peoples r china. [zhang, tao] chinese acad sci, inst met res, state key lab corros & protect, shenyang 110016, peoples r china. ; wang, zy (reprint author), harbin engn univ, coll power & energy engn, nantong st 145, harbin 150001, peoples r china. ; zhangtao@hrbeu.edu.cn
KeywordHydrostatic Pressure Pitting Corrosion Stochastic Analysis 316l Ss Deep Ocean Electrochemical Noise-analysis Slightly Alkaline-solutions Water Cathodic Protection High-strength Steel Localized Corrosion Pit Generation Sea-water Stochastic-processes Anodized Titanium Pure Aluminum
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Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/72344
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Z. Y. Wang,Y. Cong,T. Zhang. Effect of Hydrostatic Pressure on the Pitting Corrosion Behavior of 316L Stainless Steel[J]. International Journal of Electrochemical Science,2014,9(2):778-798.
APA Z. Y. Wang,Y. Cong,&T. Zhang.(2014).Effect of Hydrostatic Pressure on the Pitting Corrosion Behavior of 316L Stainless Steel.International Journal of Electrochemical Science,9(2),778-798.
MLA Z. Y. Wang,et al."Effect of Hydrostatic Pressure on the Pitting Corrosion Behavior of 316L Stainless Steel".International Journal of Electrochemical Science 9.2(2014):778-798.
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