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Hot Corrosion Behavior of Hf-Doped NiAl Coating in the Mixed Salt of Na2SO4 + K2SO4 at 900 degrees C

文献类型：期刊论文

作者Zhang, W. L.1,2; Li, W.1; Fu, L. B.1,2; Peng, X.1,2; Sun, J.3; Jiang, S. M.1; Gong, J.1; Sun, C.1
刊名ACTA METALLURGICA SINICA-ENGLISH LETTERS
出版日期2023-05-10
页码12
关键词Hot corrosion Hafnium Oxide scale Titanium Sulfide
ISSN号1006-7191
DOI10.1007/s40195-023-01563-2
通讯作者Li, W.(wli@imr.ac.cn) ; Jiang, S. M.(smjiang@imr.ac.cn) ; Gong, J.(jgong@imr.ac.cn)
英文摘要The hot corrosion behavior of the NiAl coating and the 5Hf-NiAl coating induced by mixed salt at 900 degrees C was investigated. Comparing with the NiAl coating, the 5Hf-NiAl coating exhibited superior hot corrosion resistance because the addition of Hf promoted the formation of protective oxide scale and reduced the growth rate of oxide scale. Therefore, internal sulfides were not present in the 5Hf-NiAl coating after hot corrosion for 140 h. Cr exhibited different distribution in the two coatings since the addition of Hf changed the hot corrosion process of the coating. Hf and Ti in the 5Hf-NiAl coating trapped and captured sulfur, preventing the penetration of sulfur into the coating. The hot corrosion mechanism of the two coating and the effects of Hf on this process were discussed in this work.
资助项目Key Research Program of the Chinese Academy of Sciences[ZDRW-CN-2021-2-2] ; Science Center for Gas Turbine Project[P2021-A-IV-002-003] ; IMR Innovation Fund[2022-PY17] ; Basic Research Project of Science, the Education and Industry Integration Pilot Project for Qilu University of Technology (Shandong Academy of Sciences)[2022PY063] ; National Natural Science Foundation of China[5227011470]
WOS研究方向Metallurgy & Metallurgical Engineering
语种英语
WOS记录号WOS:000985200500001
出版者CHINESE ACAD SCIENCES, INST METAL RESEARCH
资助机构Key Research Program of the Chinese Academy of Sciences ; Science Center for Gas Turbine Project ; IMR Innovation Fund ; Basic Research Project of Science, the Education and Industry Integration Pilot Project for Qilu University of Technology (Shandong Academy of Sciences) ; National Natural Science Foundation of China
源URL[http://ir.imr.ac.cn/handle/321006/177572]  
专题金属研究所_中国科学院金属研究所
通讯作者Li, W.; Jiang, S. M.; Gong, J.
作者单位1.Chinese Acad Sci, Inst Met Res, Shi Changxu Innovat Ctr Adv Mat, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
3.Qilu Univ Technol, Adv Res Inst Multidisciplinary Sci, Shandong Acad Sci, Jinan 250353, Peoples R China
推荐引用方式
GB/T 7714		 Zhang, W. L.,Li, W.,Fu, L. B.,et al. Hot Corrosion Behavior of Hf-Doped NiAl Coating in the Mixed Salt of Na2SO4 + K2SO4 at 900 degrees C[J]. ACTA METALLURGICA SINICA-ENGLISH LETTERS,2023:12.
APA Zhang, W. L..,Li, W..,Fu, L. B..,Peng, X..,Sun, J..,...&Sun, C..(2023).Hot Corrosion Behavior of Hf-Doped NiAl Coating in the Mixed Salt of Na2SO4 + K2SO4 at 900 degrees C.ACTA METALLURGICA SINICA-ENGLISH LETTERS,12.
MLA Zhang, W. L.,et al."Hot Corrosion Behavior of Hf-Doped NiAl Coating in the Mixed Salt of Na2SO4 + K2SO4 at 900 degrees C".ACTA METALLURGICA SINICA-ENGLISH LETTERS (2023):12.

入库方式： OAI收割

来源：金属研究所

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