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Ultrasonic cavitation erosion of high-velocity oxygen-fuel (HVOF) sprayed near-nanostructured WC-10Co-4Cr coating in NaCl solution
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
Volume26Pages:87-92
AbstractThe high-velocity oxygen-fuel (HVOF) spraying process was used to prepare near-nanostructured WC-10Co-4Cr coating. The cavitation erosion behavior and mechanism of the coating in 3.5 wt.% NaCl solution were analyzed in detail. The results showed that the amorphous phase and WC grain were present in the coating. The cavitation erosion resistance of the coating was about 1.27 times that of the stainless steel 1Cr1 8Ni9Ti under the same testing conditions. The effects of erosion time on the microstructural evolution were discussed. It was revealed that cracks initiated at the edge of pre-existing pores and propagated along the carbide-binder interface, leading to the pull-out of carbide particle and the formation of pits and craters on the surface. The main failure mechanism of the coating was erosion of the binder phases, brittle detachment of hard phases and formation of pitting corrosion products. (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 Coating Cavitation
Funding OrganizationNational Natural Science Foundation of China [51131008]; Fundamental Research Funds for the Central Universities [2013834414, 2014802314]
Indexed Bysci
Language英语
WOS IDWOS:000355024300012
Citation statistics
Cited Times:32[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/75233
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. Ultrasonic cavitation erosion of high-velocity oxygen-fuel (HVOF) sprayed near-nanostructured WC-10Co-4Cr coating in NaCl solution[J]. ULTRASONICS SONOCHEMISTRY,2015,26:87-92.
APA Hong, Sheng.,Wu, Yuping.,Zhang, Jianfeng.,Zheng, Yugui.,Qin, Yujiao.,...&wuyuping@hhu.edu.cn.(2015).Ultrasonic cavitation erosion of high-velocity oxygen-fuel (HVOF) sprayed near-nanostructured WC-10Co-4Cr coating in NaCl solution.ULTRASONICS SONOCHEMISTRY,26,87-92.
MLA Hong, Sheng,et al."Ultrasonic cavitation erosion of high-velocity oxygen-fuel (HVOF) sprayed near-nanostructured WC-10Co-4Cr coating in NaCl solution".ULTRASONICS SONOCHEMISTRY 26(2015):87-92.
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