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Characterisation of three-dimensional porosity in an Fe-based amorphous coating and its correlation with corrosion behaviour
S. D.; Zhang Zhang, W. L.; Wang, S. G.; Gu, X. J.; Wang, J. Q.
2015
Source PublicationCorrosion Science
ISSN0010-938X
Volume93Pages:211-221
AbstractPorosity, an important and inevitable property of thermally sprayed coatings, considerably influences the corrosion resistance of the coated materials. In this work, the correlation between porosity and corrosion of an Fe-based amorphous coating was investigated. The volume fraction, size and distribution of the coating porosity were measured and analysed via 3D XRT technique. Direct evidence for preferential substrate corrosion caused by the through-porosity was obtained. It was found that through-porosity is sensitive to the coating thickness. The critical coating thickness for the presence of through-porosity was determined, which could provide a guide for the design of corrosion resistant coatings. (C) 2015 Elsevier Ltd. All rights reserved.
description.department[zhang, s. d. ; zhang, w. l. ; wang, s. g. ; wang, j. q.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. [gu, x. j.] bucknell univ, dept mech engn, lewisburg, pa 17837 usa. ; wang, jq (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. ; jqwang@imr.ac.cn
KeywordGlass Iron Metal Coatings Polarisation Passivity Bulk Metallic Glasses Electrochemical Impedance Spectroscopy Stainless-steel Coatings Plasma-sprayed Coatings X-ray Microtomography Nacl Aqueous-solution Pvd Coated Steels Image-analysis Quantitative-determination Pit Initiation
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Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/74024
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
S. D.,Zhang Zhang, W. L.,Wang, S. G.,et al. Characterisation of three-dimensional porosity in an Fe-based amorphous coating and its correlation with corrosion behaviour[J]. Corrosion Science,2015,93:211-221.
APA S. D.,Zhang Zhang, W. L.,Wang, S. G.,Gu, X. J.,&Wang, J. Q..(2015).Characterisation of three-dimensional porosity in an Fe-based amorphous coating and its correlation with corrosion behaviour.Corrosion Science,93,211-221.
MLA S. D.,et al."Characterisation of three-dimensional porosity in an Fe-based amorphous coating and its correlation with corrosion behaviour".Corrosion Science 93(2015):211-221.
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