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A Mechanism of Anti-Oxidation Coating Design Based on Inhibition Effect of Interface Layer on Ions Diffusion within Oxide Scale
Yu, Bo1,2; Liu, Ya3; Wei, Lianqi1,4; Zhang, Xiaomeng1,4; Du, Yingchao1,2; Wang, Yanhua1,2; Ye, Shufeng1,4
2021-04-01
Source PublicationCOATINGS
Volume11Issue:4Pages:15
Abstract

In this paper, a mechanism of anti-oxidation coating design based on the inhibition effect of the interface layer on the diffusion of ions within oxide scale was introduced. The Fe2+ ions diffusion behavior in Fe3O4, Cr2FeO4, and FeAl2O4 were studied by molecular dynamics method of Nudged elastic bond. As the result shown, Fe2+ ions tended to diffuse through the vacancy at tetrahedral site in Cr2FeO4 and FeAl2O4, but diffuse through the octahedral vacancy in Fe3O4. When temperature ranged from 1073 to 1325 K, the energy barrier of Fe2+ ions diffusion in Cr2FeO4 was higher than that of FeAl2O4, and both of that were still obvious higher than that in Fe3O4. A new anti-oxidation coating was prepared based on the inhibition of interface layer consisted of FeAl2O4 to protect the carbon steel S235JR at 1200 degrees C for 2 h. The FeAl2O4 region was formed and observed at the interface between coating and Fe element diffusion area, and the mullite phase was distributed outside of the FeAl2O4 region. Comparing to the bare sample, the prepared coating exhibited an excellent anti-oxidation effect.

KeywordAnti-oxidation Coating Metal Oxidation Ions Diffusion Carbon Steel
DOI10.3390/coatings11040454
Language英语
Funding ProjectChinese academy of science project[KFJ-STS-QYZD-044] ; National Key R&D Program during the 13th Five-year Plan Period[2019YFC1908405]
WOS Research AreaMaterials Science ; Physics
WOS SubjectMaterials Science, Multidisciplinary ; Materials Science, Coatings & Films ; Physics, Applied
Funding OrganizationChinese academy of science project ; National Key R&D Program during the 13th Five-year Plan Period
WOS IDWOS:000642932600001
PublisherMDPI
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/48539
Collection中国科学院过程工程研究所
Corresponding AuthorYe, Shufeng
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, POB 353, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Dept Chem Engn, 19A Yuquan Rd, Beijing 100049, Peoples R China
3.Sinopec Corp, Dalian Res Inst Petr & Petrochem, 96 Nankai Rd, Dalian 116045, Peoples R China
4.Chinese Acad Sci, Innovat Acad Green Mfg, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Yu, Bo,Liu, Ya,Wei, Lianqi,et al. A Mechanism of Anti-Oxidation Coating Design Based on Inhibition Effect of Interface Layer on Ions Diffusion within Oxide Scale[J]. COATINGS,2021,11(4):15.
APA Yu, Bo.,Liu, Ya.,Wei, Lianqi.,Zhang, Xiaomeng.,Du, Yingchao.,...&Ye, Shufeng.(2021).A Mechanism of Anti-Oxidation Coating Design Based on Inhibition Effect of Interface Layer on Ions Diffusion within Oxide Scale.COATINGS,11(4),15.
MLA Yu, Bo,et al."A Mechanism of Anti-Oxidation Coating Design Based on Inhibition Effect of Interface Layer on Ions Diffusion within Oxide Scale".COATINGS 11.4(2021):15.
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