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Hot corrosion behaviour of Pt modified aluminized NiCrAlYSi coating on a Ni-based single crystal superalloy
Sun, J.; Liu, S. B.; Li, W.; Yu, H. J.; Jiang, S. M.; Gong, J.; Sun, C.
2019-04-01
Source PublicationCORROSION SCIENCE
ISSN0010-938X
Volume149Pages:207-217
AbstractThe hot corrosion tests of Pt modified aluminized NiCrAlYSi coating coated with mixed salt films of Na2SO4 + K2SO4 and NaCl + Na2SO4 were carried out at 900 degrees C. Compared to the aluminized NiCrAlYSi coating, the Pt modified aluminized NiCrAlYSi coating exhibited an enhanced hot corrosion resistance in these two types of mixed salts. The existence of Pt in the aluminized coating restrained the outward diffusion of substrate elements and effectively suppressed internal sulfidation and oxidation during hot corrosion test. The degradation mechanism of the coating in the corrosion condition was also discussed.
KeywordSuperalloys Metal coatings Platinum TEM Hot corrosion
Indexed BySCI
Language英语
WOS IDWOS:000459839700020
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/81236
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Sun, J.,Liu, S. B.,Li, W.,et al. Hot corrosion behaviour of Pt modified aluminized NiCrAlYSi coating on a Ni-based single crystal superalloy[J]. CORROSION SCIENCE,2019,149:207-217.
APA Sun, J..,Liu, S. B..,Li, W..,Yu, H. J..,Jiang, S. M..,...&Sun, C..(2019).Hot corrosion behaviour of Pt modified aluminized NiCrAlYSi coating on a Ni-based single crystal superalloy.CORROSION SCIENCE,149,207-217.
MLA Sun, J.,et al."Hot corrosion behaviour of Pt modified aluminized NiCrAlYSi coating on a Ni-based single crystal superalloy".CORROSION SCIENCE 149(2019):207-217.
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