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The electrochemical corrosion characterization of bulk nanocrystalline aluminium by X-ray photoelectron spectroscopy and ultra-violet photoelectron spectroscopy
S. G. Wang; Y. J. Huang; H. B. Han; M. Sun; K. Long; Z. D. Zhang
2014
Source PublicationJournal of Electroanalytical Chemistry
ISSN1572-6657
Volume724Pages:95-102
AbstractThe electrochemical corrosion of bulk nanocrystalline aluminium (BN-Al) produced by severe rolling technique and its conventional polycrystalline aluminium counterpart (CP-AI) was studied by weight loss and scanning electron microscope (SEM). The uniform and localized corrosion resistances of BN-Al were simultaneously enhanced in comparison with CP-Al in 0.25 mol/L HCI solution at room temperature due to the thinner, more compact and stable oxide film on BN-Al. The valence electron configurations of BN-Al and CP-Al were characterized by ultra-violet photoelectron spectroscopy (UPS). The electronic structures of oxide films on BN-Al and CP-Al were studied by X-ray photoelectron spectroscopy (XPS). The larger work function of BN-Al, the larger binding energies of valence electrons of BN-Al, the weaker Cl adsorption on BN-Al, and the larger binding energies of Al(3+)2p3/2 and Cl(-2)p3/2 in the oxide film on BN-Al could explain the enhanced corrosion resistance of BN-Al and the inconsistent corrosion results of nanocrystalline materials at atomic scale. (C) 2014 Elsevier B.V. All rights reserved.
description.department[wang, s. g. ; huang, y. j. ; sun, m. ; zhang, z. d.] shenyang natl lab mat sci, shenyang 110016, peoples r china. [wang, s. g. ; huang, y. j. ; sun, m. ; long, k. ; zhang, z. d.] chinese acad sci, inst met res, shenyang 110016, peoples r china. [wang, s. g. ; zhang, z. d.] chinese acad sci, int ctr mat phys, shenyang 110016, peoples r china. [han, h. b.] shanxi agr univ, coll informat, taigu 030800, shanxi, peoples r china. ; wang, sg (reprint author), chinese acad sci, inst met res, 72 wenhua rd, shenyang 110016, peoples r china. ; sgwang@imr.ac.cn
KeywordAluminium Corrosion Nanocrystalline X-ray Photoelectron Spectroscopy Ultra-violet Photoelectron Spectroscopy Scanning Electron Microscope Pitting Corrosion Grain-size Ingot Iron Acid-solution Work Function Carbon-steel Behavior Alloys 304-stainless-steel Surface
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73420
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
S. G. Wang,Y. J. Huang,H. B. Han,et al. The electrochemical corrosion characterization of bulk nanocrystalline aluminium by X-ray photoelectron spectroscopy and ultra-violet photoelectron spectroscopy[J]. Journal of Electroanalytical Chemistry,2014,724:95-102.
APA S. G. Wang,Y. J. Huang,H. B. Han,M. Sun,K. Long,&Z. D. Zhang.(2014).The electrochemical corrosion characterization of bulk nanocrystalline aluminium by X-ray photoelectron spectroscopy and ultra-violet photoelectron spectroscopy.Journal of Electroanalytical Chemistry,724,95-102.
MLA S. G. Wang,et al."The electrochemical corrosion characterization of bulk nanocrystalline aluminium by X-ray photoelectron spectroscopy and ultra-violet photoelectron spectroscopy".Journal of Electroanalytical Chemistry 724(2014):95-102.
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