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Comparing the hot corrosion of (100), (210) and (110) Ni-based superalloys exposed to the mixed salt of Na2SO4-NaCl at 750 degrees C: Experimental study and first-principles calculation
Wei, Boxin1,2; Chen, Chunjin1,2; Xu, Jin1,2; Yang, Lanlan3; Jia, Yixuan1,2; Du, Yao1,2; Guo, Mingxiao1,2; Sun, Cheng1,2; Wang, Zhenyao1,2; Wang, Fuhui4
Corresponding AuthorXu, Jin(xujin@imr.ac.cn) ; Sun, Cheng(chengsun@imr.ac.cn)
2022-02-01
Source PublicationCORROSION SCIENCE
ISSN0010-938X
Volume195Pages:14
AbstractThe effect of crystal orientation on the hot corrosion behaviors of Ni-based single-crystal (SC) superalloys exposed to mixtures of 90 wt% Na2SO4 + 10 wt% NaCl at 750 degrees C for 200 h were studied using the "deposit recoat " method. The results showed that the mass gains of the specimens with different orientations increased in the order of (210) < (100) < (110). The (210)-oriented specimen exhibited superior hot corrosion resistance, which resulted in the lowest mass gain. First-principles calculations indicated that the origin of the orientation-dependent hot corrosion resistance was the different diffusivities of active cations in differently oriented alloys.
KeywordNi -based single crystal superalloy Hot corrosion Crystal orientation Microstructures First-principles calculations
Funding OrganizationNational Natural Science Foundation of China
DOI10.1016/j.corsci.2021.109996
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51871228] ; National Natural Science Foundation of China[51771213] ; National Natural Science Foundation of China[51471176]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000781381700001
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/172750
Collection中国科学院金属研究所
Corresponding AuthorXu, Jin; Sun, Cheng
Affiliation1.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Liaoning Shenyang Soil & Atmosphere Mat Corros Na, Shenyang 110016, Peoples R China
3.Jiangsu Univ Sci & Technol, Sch Mat Sci & Engn, Zhenjiang 212003, Jiangsu, Peoples R China
4.Northeastern Univ, Shenyang Natl Lab Mat Sci, Shenyang 110819, Peoples R China
Recommended Citation
GB/T 7714
Wei, Boxin,Chen, Chunjin,Xu, Jin,et al. Comparing the hot corrosion of (100), (210) and (110) Ni-based superalloys exposed to the mixed salt of Na2SO4-NaCl at 750 degrees C: Experimental study and first-principles calculation[J]. CORROSION SCIENCE,2022,195:14.
APA Wei, Boxin.,Chen, Chunjin.,Xu, Jin.,Yang, Lanlan.,Jia, Yixuan.,...&Wang, Fuhui.(2022).Comparing the hot corrosion of (100), (210) and (110) Ni-based superalloys exposed to the mixed salt of Na2SO4-NaCl at 750 degrees C: Experimental study and first-principles calculation.CORROSION SCIENCE,195,14.
MLA Wei, Boxin,et al."Comparing the hot corrosion of (100), (210) and (110) Ni-based superalloys exposed to the mixed salt of Na2SO4-NaCl at 750 degrees C: Experimental study and first-principles calculation".CORROSION SCIENCE 195(2022):14.
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