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Effect of ultrasonic cavitation erosion on corrosion behavior of high-velocity oxygen-fuel (HVOF) sprayed near-nanostructured WC-10Co-4Cr coating
Hong, Sheng; Wu, Yuping; Zhang, Jianfeng; Zheng, Yugui; Qin, Yujiao; Lin, Jinran; hongsheng1988@126.com; wuyuping@hhu.edu.cn
2015
Source PublicationULTRASONICS SONOCHEMISTRY
ISSN1350-4177
Volume27Pages:374-378
AbstractThe effect of ultrasonic cavitation erosion on electrochemical corrosion behavior of high-velocity oxygen-fuel (HVOF) sprayed near-nanostructured WC-10Co-4Cr coating in 3.5 wt.% NaCl solution, was investigated using free corrosion potential, potentiodynamic polarization curves and electrochemical impedance spectroscopy (EIS) in comparison with stainless steel 1Cr18Ni9Ti. The results showed that cavitation erosion strongly enhanced the cathodic current density, shifted the free corrosion potential in the anodic direction, and reduced the magnitude of impedance of the coating. The impedance of the coating decreased more slowly under cavitation conditions than that of the stainless steel 1Cr18Ni9Ti, suggesting that corrosion behavior of the coating was less affected by cavitation erosion than that of the stainless steel. (C) 2015 Elsevier B.V. All rights reserved.
description.department[hong, sheng ; wu, yuping ; zhang, jianfeng ; qin, yujiao ; lin, jinran] hohai univ, inst met & protect, coll mech & mat, nanjing 210098, jiangsu, peoples r china ; [zheng, yugui] chinese acad sci, inst met res, key lab nucl mat & safety assessment, shenyang 110016, peoples r china
KeywordHvof Near-nanostructured Wc-10co-4cr Corrosion Cavitation
Funding OrganizationNational Natural Science Foundation of China [51131008]; Fundamental Research Funds for the Central Universities [2015801514]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/74778
Collection中国科学院金属研究所
Corresponding Authorhongsheng1988@126.com; wuyuping@hhu.edu.cn
Recommended Citation
GB/T 7714
Hong, Sheng,Wu, Yuping,Zhang, Jianfeng,et al. Effect of ultrasonic cavitation erosion on corrosion behavior of high-velocity oxygen-fuel (HVOF) sprayed near-nanostructured WC-10Co-4Cr coating[J]. ULTRASONICS SONOCHEMISTRY,2015,27:374-378.
APA Hong, Sheng.,Wu, Yuping.,Zhang, Jianfeng.,Zheng, Yugui.,Qin, Yujiao.,...&wuyuping@hhu.edu.cn.(2015).Effect of ultrasonic cavitation erosion on corrosion behavior of high-velocity oxygen-fuel (HVOF) sprayed near-nanostructured WC-10Co-4Cr coating.ULTRASONICS SONOCHEMISTRY,27,374-378.
MLA Hong, Sheng,et al."Effect of ultrasonic cavitation erosion on corrosion behavior of high-velocity oxygen-fuel (HVOF) sprayed near-nanostructured WC-10Co-4Cr coating".ULTRASONICS SONOCHEMISTRY 27(2015):374-378.
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