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Corrosion Behavior of HVOF-Sprayed Fe-Based Alloy Coating in Various Solutions
Qiao, Lei; Wu, Yuping; Hong, Sheng; Qin, Yujiao; Shi, Wei; Li, Gaiye; Wu, YP (reprint author), Hohai Univ, Coll Mech & Mat, 8 Focheng West Rd, Nanjing 211100, Jiangsu, Peoples R China.; Wu, YP (reprint author), Chinese Acad Sci, Key Lab Nucl Mat & Safety Assessment, Inst Met Res, 62 Wencui Rd, Shenyang 110016, Liaoning, Peoples R China.
2017-08-01
Source PublicationSPRINGER
ISSN1059-9495
Volume26Issue:8Pages:3813-3820
AbstractA Fe-based amorphous/nanocrystalline coating was prepared by the high-velocity oxygen fuel (HVOF) spraying process. The coating was characterized by x-ray diffraction, scanning electron microscopy and transmission electron microscopy. The corrosion resistances of the Fe-based coating and a reference electroplated hard chromium (EHC) coating were evaluated in a 3.5% NaCl solution, a 1 mol/L HCl solution and a 1 mol/L NaOH solution using potentiodynamic polarization and electrochemical impedance spectroscopy (EIS). All of the results indicated that the corrosion resistance of the Fe-based coating was superior to the resistance of the EHC coating in both the 3.5% NaCl solution and the 1 mol/L HCl solution due to the dense structure and fewer defects of the Fe-based coating. However, the corrosion resistance of the Fe-based coating was inferior to corrosion resistance of the EHC coating in the 1 mol/L NaOH solution. This could be ascribed to the drastic passivation of the EHC coating in an alkaline environment.; A Fe-based amorphous/nanocrystalline coating was prepared by the high-velocity oxygen fuel (HVOF) spraying process. The coating was characterized by x-ray diffraction, scanning electron microscopy and transmission electron microscopy. The corrosion resistances of the Fe-based coating and a reference electroplated hard chromium (EHC) coating were evaluated in a 3.5% NaCl solution, a 1 mol/L HCl solution and a 1 mol/L NaOH solution using potentiodynamic polarization and electrochemical impedance spectroscopy (EIS). All of the results indicated that the corrosion resistance of the Fe-based coating was superior to the resistance of the EHC coating in both the 3.5% NaCl solution and the 1 mol/L HCl solution due to the dense structure and fewer defects of the Fe-based coating. However, the corrosion resistance of the Fe-based coating was inferior to corrosion resistance of the EHC coating in the 1 mol/L NaOH solution. This could be ascribed to the drastic passivation of the EHC coating in an alkaline environment.
description.department[qiao, lei ; wu, yuping ; hong, sheng ; qin, yujiao ; shi, wei ; li, gaiye] hohai univ, coll mech & mat, 8 focheng west rd, nanjing 211100, jiangsu, peoples r china ; [wu, yuping] chinese acad sci, key lab nucl mat & safety assessment, inst met res, 62 wencui rd, shenyang 110016, liaoning, peoples r china ; [hong, sheng] mat corros & protect key lab sichuan prov, 180 xueyuan st, zigong 643000, peoples r china
KeywordCorrosion Resistance Fe-based Amorphous/nanocrystalline Hvof Spraying
Subject AreaMaterials Science, Multidisciplinary
Funding OrganizationNational Natural Science Foundation of China [51579087, 51609067, 51301059]; 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]; Fundamental Research Funds for the Central Universities [2015B01514, 2016B45714]; CAS Key Laboratory of Nuclear Materials and Safety Assessment, Institute of Metal Research, Chinese Academy of Sciences [2016NMSAKF03]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/79165
Collection中国科学院金属研究所
Corresponding AuthorWu, YP (reprint author), Hohai Univ, Coll Mech & Mat, 8 Focheng West Rd, Nanjing 211100, Jiangsu, Peoples R China.; Wu, YP (reprint author), Chinese Acad Sci, Key Lab Nucl Mat & Safety Assessment, Inst Met Res, 62 Wencui Rd, Shenyang 110016, Liaoning, Peoples R China.
Recommended Citation
GB/T 7714
Qiao, Lei,Wu, Yuping,Hong, Sheng,et al. Corrosion Behavior of HVOF-Sprayed Fe-Based Alloy Coating in Various Solutions[J]. SPRINGER,2017,26(8):3813-3820.
APA Qiao, Lei.,Wu, Yuping.,Hong, Sheng.,Qin, Yujiao.,Shi, Wei.,...&Wu, YP .(2017).Corrosion Behavior of HVOF-Sprayed Fe-Based Alloy Coating in Various Solutions.SPRINGER,26(8),3813-3820.
MLA Qiao, Lei,et al."Corrosion Behavior of HVOF-Sprayed Fe-Based Alloy Coating in Various Solutions".SPRINGER 26.8(2017):3813-3820.
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