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A novel method to promote selective oxidation of Ni-Cr alloys: Surface spreading alpha-Al2O3 nanoparticles
Xie, Yun1; Huang, Yuanchao2,4; Li, Yihang1; Peng, Xiao1,2,3
Corresponding AuthorPeng, Xiao(xpeng@nchu.edu.cn)
2021-09-01
Source PublicationCORROSION SCIENCE
ISSN0010-938X
Volume190Pages:5
AbstractFollowing Wagner's classical oxidation theory, we suppose that a Ni-Cr alloy with the Cr concentration below the critical N-Cr((1)) (0.24) required for external Cr2O3 scale formation but above the critical N-Cr((2)) (0.1) required for its steady-state growth, would be converted from a NiO former to a Cr2O3 former, if the selective Cr oxidation of the binary alloy can be catalyzed at the beginning of oxidation. As is expected, spreading alpha-Al2O3 nanoparticles on the surface of Ni-10Cr (N-Cr = 0.11) does cause it to become a Cr2O3 former during oxidation at 800 degrees C. The alpha-Al2O3 effect on oxidation is interpreted.
KeywordAlloy SEM, XRD Selective oxidation
Funding OrganizationKey project of Jiangxi Provincial Natural Science Foundation ; NationalNatural Science Foundation of China (NSFC)
DOI10.1016/j.corsci.2021.109717
Indexed BySCI
Language英语
Funding ProjectKey project of Jiangxi Provincial Natural Science Foundation[20192ACB80001] ; NationalNatural Science Foundation of China (NSFC)[51771088]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000686172400006
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/159212
Collection中国科学院金属研究所
Corresponding AuthorPeng, Xiao
Affiliation1.Nanchang Hangkong Univ, Sch Mat Sci & Engn, 696 Fenghenan Ave, Nanchang 330063, Jiangxi, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Lab Corros & Protect, Shenyang 110016, Peoples R China
3.Nanchang Hangkong Univ, Jiangxi Prov Engn Res Ctr Surface Technol Aeronau, 696 Fenghenan Ave, Nanchang 330063, Jiangxi, Peoples R China
4.Zhejiang Univ, Sch Mat Sci & Engn, 866 Yuhangtang Rd, Hangzhou 310058, Peoples R China
Recommended Citation
GB/T 7714
Xie, Yun,Huang, Yuanchao,Li, Yihang,et al. A novel method to promote selective oxidation of Ni-Cr alloys: Surface spreading alpha-Al2O3 nanoparticles[J]. CORROSION SCIENCE,2021,190:5.
APA Xie, Yun,Huang, Yuanchao,Li, Yihang,&Peng, Xiao.(2021).A novel method to promote selective oxidation of Ni-Cr alloys: Surface spreading alpha-Al2O3 nanoparticles.CORROSION SCIENCE,190,5.
MLA Xie, Yun,et al."A novel method to promote selective oxidation of Ni-Cr alloys: Surface spreading alpha-Al2O3 nanoparticles".CORROSION SCIENCE 190(2021):5.
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