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Enamel coating for protection of the 316 stainless steel against tribo-corrosion in molten zinc alloy at 460 degrees C
Yu, Zhongdi1,2; Chen, Minghui1,2; Wang, Jinlong1,2; Li, Fengjie1,2; Zhu, Shenglong3; Wang, Fuhui1,2
Corresponding AuthorChen, Minghui(mhchen@mail.neu.edu.cn)
2021-02-01
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume65Pages:126-136
AbstractHot-dip galvanizing provides excellent corrosion and wear resistance for steels. However, the equipment itself, such as the steel roller, immerged in corrosive molten zinc suffers serious material loss during steel's production. Its protection has become the main technique problem in modern galvanizing line. In this study, an enamel coating was designed and prepared. Its tribo-corrosion in molten zinc alloy (Zn-0.2 wt% Al) at 460 degrees C was investigated in comparison with the traditional WC-12Co composite coating and the 316 stainless steel. Results indicate that the steel suffers serious material damage. Various corrosion products of Fe2Al5Zn x form at the worn surface and the wear scar has reached 200 mu m deep after merely 5 h tribo-corrosion. Though the two coatings provide an improved tribo-corrosion resistance, for the WC12-Co coating, its chemical reaction with the molten zinc increases brittleness and promotes cracking. The synergistic wear and corrosion cause its degradation. The enamel coating performs better during tribo-corrosion. It is chemically stable in molten zinc thus able to provide high corrosion resistance. In addition, the amorphous [SiO4] network and the self-lubricating CaF2 crystallite help it to build up an intact amorphous glaze layer readily at surface on sliding, leading to a reduced wear loss. During the whole tribo-corrosion process, the enamel coating is completely free of cracking, and the Zn penetration is inhibited. (C) 2021 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
KeywordEnamel coating High temperature corrosion Liquid alloy Corrosive wear
Funding OrganizationNational Key R&D Program of China ; National Natural Science Foundation of China ; Excellent Youth Foundation of Liaoning Province ; Fundamental Research Funds for the Central Universities ; Ministry of Industry and Information Technology Project
DOI10.1016/j.jmst.2020.04.079
Indexed BySCI
Language英语
Funding ProjectNational Key R&D Program of China[2017YFB0306100] ; National Natural Science Foundation of China[51871051] ; Excellent Youth Foundation of Liaoning Province[2019-YQ-03] ; Fundamental Research Funds for the Central Universities[N180212008] ; Ministry of Industry and Information Technology Project[MJ-2017-J-99]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000609935300014
PublisherJOURNAL MATER SCI TECHNOL
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/159133
Collection中国科学院金属研究所
Corresponding AuthorChen, Minghui
Affiliation1.Northeastern Univ, Shenyang Natl Lab Mat Sci, Shenyang 110819, Peoples R China
2.Northeastern Univ, Sch Mat Sci & Engn, Shenyang 110819, Peoples R China
3.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Yu, Zhongdi,Chen, Minghui,Wang, Jinlong,et al. Enamel coating for protection of the 316 stainless steel against tribo-corrosion in molten zinc alloy at 460 degrees C[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2021,65:126-136.
APA Yu, Zhongdi,Chen, Minghui,Wang, Jinlong,Li, Fengjie,Zhu, Shenglong,&Wang, Fuhui.(2021).Enamel coating for protection of the 316 stainless steel against tribo-corrosion in molten zinc alloy at 460 degrees C.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,65,126-136.
MLA Yu, Zhongdi,et al."Enamel coating for protection of the 316 stainless steel against tribo-corrosion in molten zinc alloy at 460 degrees C".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 65(2021):126-136.
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