Slurry erosion-corrosion resistance and microbial corrosion electrochemical characteristics of HVOF sprayed WC-10Co-4Cr coating for offshore hydraulic machinery

doi:10.1016/j.ijrmhm.2018.02.019

CORC > 金属研究所 > 中国科学院金属研究所

	Slurry erosion-corrosion resistance and microbial corrosion electrochemical characteristics of HVOF sprayed WC-10Co-4Cr coating for offshore hydraulic machinery
	Hong, S 1,2; Wu, YP ; Gao, WW ; Zhang, JF ; Zheng, YG ; Zheng, Y 2,3
刊名	INTERNATIONAL JOURNAL OF REFRACTORY METALS & HARD MATERIALS
	2018-08-01
卷号	74 页码:7-13
关键词	High-velocity oxygen-fuel Slurry erosion Microbial influenced corrosion Sulfate-reducing bacteria WC-10Co-4Cr
ISSN号	0263-4368
DOI	10.1016/j.ijrmhm.2018.02.019
英文摘要	The 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.
学科主题	Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
语种	英语
WOS记录号	WOS:000432903100002
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/80081]
专题	金属研究所_中国科学院金属研究所
作者单位	1.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
推荐引用方式 GB/T 7714	Hong, S,Wu, YP,Gao, WW,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, S,Wu, YP,Gao, WW,Zhang, JF,Zheng, YG,&Zheng, Y.(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, S,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.