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Interaction of Ta and Cr on Type-I hot corrosion resistance of single crystal Ni-base superalloys
Chang, J. X.; Wang, D.; Zhang, G.; Lou, L. H.; Zhang, J.; Wang, D (reprint author), Chinese Acad Sci, Inst Met Res, Superalloys Div, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
2017-03-01
Source PublicationCORROSION SCIENCE
ISSN0010-938X
Volume117Pages:35-42
AbstractType-I hot corrosion behaviour of single crystal Ni-base superalloys with different Cr and Ta contents in sodium sulphate (Na2SO4) at 900 degrees C and 950 degrees C in static air were investigated using the "deposit recoat" method. It was shown that, increasing corrosion temperature shortened the incubation period. Loss of hot corrosion resistance causing by Cr reduction cannot be compensated by increasing Ta content. The effect of Ta addition on hot corrosion resistance can be described by introducing the quantitative parameter Ta/Cr (wt.%) ratio. Interaction of Cr, Ta and temperature on hot corrosion behaviour was discussed in detail in the present paper. (C) 2017 Elsevier Ltd. All rights reserved.; Type-I hot corrosion behaviour of single crystal Ni-base superalloys with different Cr and Ta contents in sodium sulphate (Na2SO4) at 900 degrees C and 950 degrees C in static air were investigated using the "deposit recoat" method. It was shown that, increasing corrosion temperature shortened the incubation period. Loss of hot corrosion resistance causing by Cr reduction cannot be compensated by increasing Ta content. The effect of Ta addition on hot corrosion resistance can be described by introducing the quantitative parameter Ta/Cr (wt.%) ratio. Interaction of Cr, Ta and temperature on hot corrosion behaviour was discussed in detail in the present paper. (C) 2017 Elsevier Ltd. All rights reserved.
description.department[chang, j. x. ; wang, d. ; zhang, g. ; lou, l. h. ; zhang, j.] chinese acad sci, inst met res, superalloys div, 72 wenhua rd, shenyang 110016, peoples r china ; [zhang, j.] chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, peoples r china
KeywordMolten Salts Superalloys Tantalum Oxide Hot Corrosion
Subject AreaMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Natural Science Foundation of China [51631008]; National Key Research and Development Program of China [2016YFB0701403]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/78269
Collection中国科学院金属研究所
Corresponding AuthorWang, D (reprint author), Chinese Acad Sci, Inst Met Res, Superalloys Div, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
Recommended Citation
GB/T 7714
Chang, J. X.,Wang, D.,Zhang, G.,et al. Interaction of Ta and Cr on Type-I hot corrosion resistance of single crystal Ni-base superalloys[J]. CORROSION SCIENCE,2017,117:35-42.
APA Chang, J. X.,Wang, D.,Zhang, G.,Lou, L. H.,Zhang, J.,&Wang, D .(2017).Interaction of Ta and Cr on Type-I hot corrosion resistance of single crystal Ni-base superalloys.CORROSION SCIENCE,117,35-42.
MLA Chang, J. X.,et al."Interaction of Ta and Cr on Type-I hot corrosion resistance of single crystal Ni-base superalloys".CORROSION SCIENCE 117(2017):35-42.
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