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Stress corrosion of pipeline steel under occluded coating disbondment in a red soil environment
M. C.; Sun Yan, C.; Xu, J.; Wu, T. Q.; Yang, S.; Ke, W.
2015
Source PublicationCorrosion Science
ISSN0010-938X
Volume93Pages:27-38
AbstractA crevice cell with a multi-sample loading frame was constructed to study stress corrosion initiation of pipeline steel under an occluded shielding plate simulating coating disbondment under free corrosion condition in a red soil environment. The local potential and pH under the shielding were monitored by microelectrodes. Results show that intensive anodic dissolution and initiation of microcrack were preferential at the open holiday, whereas the corrosion attack was markedly mitigated under the occluded shielding. Species gradient and internal polarization were proposed for the corrosion scenarios of pipeline steel under disbanded coating. (C) 2015 Elsevier Ltd. All rights reserved.
description.department[yan, maocheng ; sun, cheng ; xu, jin ; wu, tangqing ; yang, shuang ; ke, wei] chinese acad sci, inst met res, environm corros ctr, shenyang 110016, peoples r china. ; yan, mc (reprint author), chinese acad sci, inst met res, environm corros ctr, shenyang 110016, peoples r china. ; yanmc@imr.ac.cn
KeywordCarbon Steel Stress Corrosion Sem Crevice Corrosion Scanning Kelvin Probe Neutral Ph Cathodic Protection Crack-growth Behavior Electrolyte Mechanism Initiation Beneath Layer
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Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73994
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
M. C.,Sun Yan, C.,Xu, J.,et al. Stress corrosion of pipeline steel under occluded coating disbondment in a red soil environment[J]. Corrosion Science,2015,93:27-38.
APA M. C.,Sun Yan, C.,Xu, J.,Wu, T. Q.,Yang, S.,&Ke, W..(2015).Stress corrosion of pipeline steel under occluded coating disbondment in a red soil environment.Corrosion Science,93,27-38.
MLA M. C.,et al."Stress corrosion of pipeline steel under occluded coating disbondment in a red soil environment".Corrosion Science 93(2015):27-38.
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