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Slurry erosion-corrosion resistance and microbial corrosion electrochemical characteristics of HVOF sprayed WC-10Co-4Cr coating for offshore hydraulic machinery
Hong, Sheng1,2,3; Wu, Yuping1,3; Gao, Wenwen1; Zhang, Jianfeng1; Zheng, Yugui3; Zheng, Yuan4
Corresponding AuthorHong, Sheng(hongsheng1988@126.com) ; Wu, Yuping(wuyuping@hhu.edu.cn)
2018-08-01
Source PublicationINTERNATIONAL JOURNAL OF REFRACTORY METALS & HARD MATERIALS
ISSN0263-4368
Volume74Pages:7-13
AbstractThe slurry erosion-corrosion and microbial corrosion electrochemical behavior of high-velocity oxygen-fuel (HVOF) sprayed WC-10Co-4Cr cermet coatings and the reference stainless steel 1Cr18Ni9Ti were both investigated. The slurry erosion-corrosion test was performed in a rotating disk rig facility with circulating system using distilled water and 3.5 wt% NaCl slurries. The microbial influenced corrosion behavior in the presence of SRB was evaluated by electrochemical measurement. The results showed that WC-10Co-4Cr coating exhibited higher slurry erosion-corrosion resistance compared to the stainless steel 1Cr18Ni9Ti in both distilled water and 3.5 wt% NaCl slurries. The evolution of the slurry erosion mechanism of the coatings with the augment of NaCl concentration was cracks and microchipping in distilled water slurry, and a combination of detachment of binder phase, microchipping and fragments in 3.5 wt% NaCl slurry. Potentiodynamic polarization and electrochemical impendence spectroscopy (EIS) results showed that the WC-10Co-4Cr coating had a comparable microbial influenced corrosion resistance in seawater with SRB as compared to the stainless steel 1Cr18Ni9Ti.
KeywordHigh-velocity oxygen-fuel Slurry erosion Microbial influenced corrosion Sulfate-reducing bacteria WC-10Co-4Cr
Funding OrganizationNational Natural Science Foundation of China ; Natural Science Foundation of Jiangsu Province of China ; China Postdoctoral Science Foundation ; Opening Project of Material Corrosion and Protection Key Laboratory of Sichuan Province ; Opening Project of CAS Key Laboratory of Nuclear Materials and Safety Assessment
DOI10.1016/j.ijrmhm.2018.02.019
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51609067] ; National Natural Science Foundation of China[51579087] ; National Natural Science Foundation of China[51339005] ; Natural Science Foundation of Jiangsu Province of China[BK20150806] ; China Postdoctoral Science Foundation[2016M590404] ; Opening Project of Material Corrosion and Protection Key Laboratory of Sichuan Province[2016CL08] ; Opening Project of CAS Key Laboratory of Nuclear Materials and Safety Assessment[2016NMSAKF03]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000432903100002
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:33[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/128277
Collection中国科学院金属研究所
Corresponding AuthorHong, Sheng; Wu, Yuping
Affiliation1.Hohai Univ, Coll Mech & Mat, 8 Focheng West Rd, Nanjing 211100, Jiangsu, Peoples R China
2.Mat Corros & Protect Key Lab Sichuan Prov, 180 Xueyuan St, Zigong 643000, Peoples R China
3.Chinese Acad Sci, Inst Met Res, Key Lab Nucl Mat & Safety Assessment, 62 Wencui Rd, Shenyang 110016, Liaoning, Peoples R China
4.Hohai Univ, Natl Engn Res Ctr Water Resources Efficient Utili, 1 Xikang Rd, Nanjing 210098, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Hong, Sheng,Wu, Yuping,Gao, Wenwen,et al. Slurry erosion-corrosion resistance and microbial corrosion electrochemical characteristics of HVOF sprayed WC-10Co-4Cr coating for offshore hydraulic machinery[J]. INTERNATIONAL JOURNAL OF REFRACTORY METALS & HARD MATERIALS,2018,74:7-13.
APA Hong, Sheng,Wu, Yuping,Gao, Wenwen,Zhang, Jianfeng,Zheng, Yugui,&Zheng, Yuan.(2018).Slurry erosion-corrosion resistance and microbial corrosion electrochemical characteristics of HVOF sprayed WC-10Co-4Cr coating for offshore hydraulic machinery.INTERNATIONAL JOURNAL OF REFRACTORY METALS & HARD MATERIALS,74,7-13.
MLA Hong, Sheng,et al."Slurry erosion-corrosion resistance and microbial corrosion electrochemical characteristics of HVOF sprayed WC-10Co-4Cr coating for offshore hydraulic machinery".INTERNATIONAL JOURNAL OF REFRACTORY METALS & HARD MATERIALS 74(2018):7-13.
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