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Corrosion resistance of chromised and aluminised coatings in wet CO2 gas at 650 degrees C
Thuan Dinh Nguyen; Peng, Xiao; Zhang, Jianqiang; Young, David J.; Young, DJ (reprint author), Univ New South Wales, Sch Mat Sci & Engn, Sydney, NSW 2052, Australia.
2017-04-25
Source PublicationSURFACE & COATINGS TECHNOLOGY
ISSN0257-8972
Volume316Pages:226-238
AbstractFour chromised and aluminised coatings, with and without an intermediate nickel layer, were produced by pack cementation. The nickel layer was deposited onto a T91 steel substrate prior to the pack cementation process to limit interdiffusion of elements between the coatings and the substrate. The coated and uncoated steels were exposed to Ar-20CO(2)-20H(2)O gas at 650 degrees C. The uncoated steel formed a thick, iron-rich oxide scale, whereas all coated samples formed thin, protective chromia or alumina scales. The uncoated steel was carburised under its scale. Carbide precipitates were formed in the chromized coatings before and after reactions, but not in the aluminised coatings. (C) 2017 Elsevier B.V. All rights reserved.; Four chromised and aluminised coatings, with and without an intermediate nickel layer, were produced by pack cementation. The nickel layer was deposited onto a T91 steel substrate prior to the pack cementation process to limit interdiffusion of elements between the coatings and the substrate. The coated and uncoated steels were exposed to Ar-20CO(2)-20H(2)O gas at 650 degrees C. The uncoated steel formed a thick, iron-rich oxide scale, whereas all coated samples formed thin, protective chromia or alumina scales. The uncoated steel was carburised under its scale. Carbide precipitates were formed in the chromized coatings before and after reactions, but not in the aluminised coatings. (C) 2017 Elsevier B.V. All rights reserved.
description.department[thuan dinh nguyen ; zhang, jianqiang ; young, david j.] univ new south wales, sch mat sci & engn, sydney, nsw 2052, australia ; [peng, xiao] inst met sci & technol, state key lab corros & protect, shenyang, peoples r china
KeywordPack Cementation Diffusion Coatings Co2 Corrosion
Subject AreaMaterials Science, Coatings & Films ; Physics, Applied
Funding OrganizationEarly Career Research Grant (University of New South Wales) [PS40715]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/78177
Collection中国科学院金属研究所
Corresponding AuthorYoung, DJ (reprint author), Univ New South Wales, Sch Mat Sci & Engn, Sydney, NSW 2052, Australia.
Recommended Citation
GB/T 7714
Thuan Dinh Nguyen,Peng, Xiao,Zhang, Jianqiang,et al. Corrosion resistance of chromised and aluminised coatings in wet CO2 gas at 650 degrees C[J]. SURFACE & COATINGS TECHNOLOGY,2017,316:226-238.
APA Thuan Dinh Nguyen,Peng, Xiao,Zhang, Jianqiang,Young, David J.,&Young, DJ .(2017).Corrosion resistance of chromised and aluminised coatings in wet CO2 gas at 650 degrees C.SURFACE & COATINGS TECHNOLOGY,316,226-238.
MLA Thuan Dinh Nguyen,et al."Corrosion resistance of chromised and aluminised coatings in wet CO2 gas at 650 degrees C".SURFACE & COATINGS TECHNOLOGY 316(2017):226-238.
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