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Electrochemical and surface analytical investigation of the effects of Zn concentrations on characteristics of oxide films on 304 stainless steel in borated and lithiated high temperature water
X. H. Liu; X. Q. Wu; E. H. Han
2013
Source PublicationElectrochimica Acta
ISSN0013-4686
Volume108Pages:554-565
AbstractThe characteristics of oxide films formed on 304 stainless steel (SS) in borated and lithiated high temperature water with Zn injection of 0 ppb to 100 ppb were investigated using in-situ potentiodynamic polarization curves, electrochemical impedance spectra at 573.15 K and ex-situ X-ray photoelectron spectroscopy (XPS). There was a high inhibition effect of Zn injection on the growth of oxide films in the testing solution. The lowest growth rate was corresponding to the highest Zn-injected level. The <= 50 ppb Zn injection based on plant experience could significantly affect the formation of Zn-bearing oxides on the surfaces, while >50 ppb Zn injection showed no obvious influence on the oxide films. A modified point defect model was proposed to discuss the effects of injected Zn concentrations on the oxide films on 304 SS in high temperature water. (C) 2013 Elsevier Ltd. All rights reserved.
description.department[liu, xiahe ; wu, xinqiang ; han, en-hou] chinese acad sci, inst met res, liaoning key lab safety & assessment tech nucl ma, state key lab corros & protect, shenyang 110016, liaoning, peoples r china. ; wu, xq (reprint author), chinese acad sci, inst met res, liaoning key lab safety & assessment tech nucl ma, state key lab corros & protect, 62 wencui rd, shenyang 110016, liaoning, peoples r china. ; xqwu@imr.ac.cn
KeywordStainless Steel Zinc Polarization Xps High Temperature Corrosion X-ray Photoelectron Point-defect Model 25-300 Degrees-c Stainless-steel Corrosion Behavior Passive Films Impedance Spectroscopy 288-degrees-c Water Hydrogenated Water Alloy 690
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Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/72354
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
X. H. Liu,X. Q. Wu,E. H. Han. Electrochemical and surface analytical investigation of the effects of Zn concentrations on characteristics of oxide films on 304 stainless steel in borated and lithiated high temperature water[J]. Electrochimica Acta,2013,108:554-565.
APA X. H. Liu,X. Q. Wu,&E. H. Han.(2013).Electrochemical and surface analytical investigation of the effects of Zn concentrations on characteristics of oxide films on 304 stainless steel in borated and lithiated high temperature water.Electrochimica Acta,108,554-565.
MLA X. H. Liu,et al."Electrochemical and surface analytical investigation of the effects of Zn concentrations on characteristics of oxide films on 304 stainless steel in borated and lithiated high temperature water".Electrochimica Acta 108(2013):554-565.
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