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Oxidation Performance and Interdiffusion Behavior of a Pt-Modified Aluminide Coating with Pre-deposition of Ni
Liu, He; Li, Shuai; Jiang, Cheng-Yang; Yu, Chun-Tang; Bao, Ze-Bin; Zhu, Sheng-Long; Wang, Fu-Hui
2019-12-01
Source PublicationACTA METALLURGICA SINICA-ENGLISH LETTERS
ISSN1006-7191
Volume32Issue:12Pages:1490-1500
AbstractTo refrain the interdiffusion of elements while holding good oxidation resistance, a (Ni,Pt)Al/Ni composite coating was prepared by sequential treatments of electroplating Ni and Pt and successive gaseous aluminization. In comparison with normal (Ni,Pt)Al coating, high-temperature performance of the composite coating was evaluated in isothermal oxidation test at 1100 degrees C. Both the two coatings exhibited good resistance against high-temperature oxidation, but the interdiffusion of elements between composite coating and single-crystal (SC) superalloy substrate was greatly relieved, in which the thickness of secondary reaction zone (SRZ) and the amount of precipitated topologically close-packed phase in the SC alloy matrix were significantly decreased. Mechanisms responsible for delaying rate of coating degradation and SRZ growth/propagation are discussed.
KeywordAluminide coating Oxidation Interdiffusion Microstructure
Indexed BySCI
Language英语
WOS IDWOS:000495116000006
PublisherCHINESE ACAD SCIENCES, INST METAL RESEARCH
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80589
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Liu, He,Li, Shuai,Jiang, Cheng-Yang,et al. Oxidation Performance and Interdiffusion Behavior of a Pt-Modified Aluminide Coating with Pre-deposition of Ni[J]. ACTA METALLURGICA SINICA-ENGLISH LETTERS,2019,32(12):1490-1500.
APA Liu, He.,Li, Shuai.,Jiang, Cheng-Yang.,Yu, Chun-Tang.,Bao, Ze-Bin.,...&Wang, Fu-Hui.(2019).Oxidation Performance and Interdiffusion Behavior of a Pt-Modified Aluminide Coating with Pre-deposition of Ni.ACTA METALLURGICA SINICA-ENGLISH LETTERS,32(12),1490-1500.
MLA Liu, He,et al."Oxidation Performance and Interdiffusion Behavior of a Pt-Modified Aluminide Coating with Pre-deposition of Ni".ACTA METALLURGICA SINICA-ENGLISH LETTERS 32.12(2019):1490-1500.
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