Effect of applied potential on passivation and erosion-corrosion of a Fe-based amorphous metallic coating under slurry impingement

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	Effect of applied potential on passivation and erosion-corrosion of a Fe-based amorphous metallic coating under slurry impingement
	Z. B. Zheng; Y. G. Zheng; W. H. Sun; J. Q. Wang
	2014
发表期刊	Corrosion Science
ISSN	0010-938X
卷号	82 页码:115-124
摘要	The passive behaviour and erosion corrosion behaviour of a HVOF sprayed Fe-based amorphous metallic coating have been investigated in 3.5 wt.% NaCl solution by using potentiostatic polarisation, X-ray photoelectron spectroscopy and Mott-Schottky analysis. The fact that passive current density increased with rising potential might result from the preferential dissolution of high-valence oxides and the existence of more chlorides at a higher potential. The critical flow velocity decreased with rising potential because of the lower resistance of passive film at a higher potential. The reason why passive current density changed under jet impingement was discussed by a simple formula. (C) 2014 Elsevier Ltd. All rights reserved.
部门归属	[zheng, z. b. ; zheng, y. g.] chinese acad sci, inst met res, state key lab corros & protect, shenyang 110016, peoples r china. [sun, w. h. ; wang, j. q.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. ; zheng, yg (reprint author), chinese acad sci, inst met res, state key lab corros & protect, 62 wencui rd, shenyang 110016, peoples r china. ; ygzheng@imr.ac.cn
关键词	Metal Coatings Erosion Polarisation Potentiostatic Xps Passive Films Liquid-solid Impingement Point-defect Model Stainless-steel Carbon-steel Electrochemical Corrosion Enhanced Corrosion Nacl Solution Films Behavior Alloys
URL	查看原文
语种	英语
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/72980
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	Z. B. Zheng,Y. G. Zheng,W. H. Sun,et al. Effect of applied potential on passivation and erosion-corrosion of a Fe-based amorphous metallic coating under slurry impingement[J]. Corrosion Science,2014,82:115-124.
APA	Z. B. Zheng,Y. G. Zheng,W. H. Sun,&J. Q. Wang.(2014).Effect of applied potential on passivation and erosion-corrosion of a Fe-based amorphous metallic coating under slurry impingement.Corrosion Science,82,115-124.
MLA	Z. B. Zheng,et al."Effect of applied potential on passivation and erosion-corrosion of a Fe-based amorphous metallic coating under slurry impingement".Corrosion Science 82(2014):115-124.