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Ni/AlN Composite Coating for Corrosion and Elements Interdiffusion Resistance in Molten Fluoride Salts System
Wang, Chengxu1; Chen, Wei2; Chen, Minghui3; Chen, Demin2; Wang, Fuhui3
Corresponding AuthorWang, Chengxu(cxwang@ytu.edu.cn) ; Chen, Wei(chenwei@imr.ac.cn) ; Chen, Minghui(mhchen@mail.neu.edu.cn)
2021-04-06
Source PublicationACTA METALLURGICA SINICA-ENGLISH LETTERS
ISSN1006-7191
Pages11
AbstractThe Ni/AlN composite coating was prepared for increasing corrosion and elements interdiffusion resistance of GH3535 alloy in molten fluoride salts, and the effect of mechanical interlocking on adhesion strength between AlN layer and nickel coating was also studied. Results indicated that the adhesion strength between AlN layer and nickel coating could be significantly enhanced through mechanical interlocking effect, which effectively prevented the nickel coating from flaking off at elevated temperature. Through an etching pre-treatment of AlN layer, the corrosion resistance of the Ni/AlN coated GH3535 alloy in molten FLiNaK salt was further improved, and elements interdiffusion between the substrate and nickel coating was completely suppressed. AlN layer as a diffusion barrier remained compact and continuous in Ni/GH3535 system after high-temperature molten salt corrosion. Moreover, a Ni-P layer consisting of Ni3P and Ni phases formed in the Ni coating after corrosion.
KeywordMolten salt Superalloy Composite coating High temperature corrosion
Funding OrganizationYouth Innovation Promotion Association of Chinese Academy of Sciences
DOI10.1007/s40195-021-01224-2
Indexed BySCI
Language英语
Funding ProjectYouth Innovation Promotion Association of Chinese Academy of Sciences
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000637454900001
PublisherCHINESE ACAD SCIENCES, INST METAL RESEARCH
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/162198
Collection中国科学院金属研究所
Corresponding AuthorWang, Chengxu; Chen, Wei; Chen, Minghui
Affiliation1.Yantai Univ, Sch Nucl Equipment & Nucl Engn, Yantai 264005, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shi Changxu Innovat Ctr Adv Mat, Shenyang 110016, Peoples R China
3.Northeastern Univ, Shenyang Natl Lab Mat Sci, Shenyang 110819, Peoples R China
Recommended Citation
GB/T 7714
Wang, Chengxu,Chen, Wei,Chen, Minghui,et al. Ni/AlN Composite Coating for Corrosion and Elements Interdiffusion Resistance in Molten Fluoride Salts System[J]. ACTA METALLURGICA SINICA-ENGLISH LETTERS,2021:11.
APA Wang, Chengxu,Chen, Wei,Chen, Minghui,Chen, Demin,&Wang, Fuhui.(2021).Ni/AlN Composite Coating for Corrosion and Elements Interdiffusion Resistance in Molten Fluoride Salts System.ACTA METALLURGICA SINICA-ENGLISH LETTERS,11.
MLA Wang, Chengxu,et al."Ni/AlN Composite Coating for Corrosion and Elements Interdiffusion Resistance in Molten Fluoride Salts System".ACTA METALLURGICA SINICA-ENGLISH LETTERS (2021):11.
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