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Low inter-diffusivity gamma '-base bondcoats for single crystal superalloy Rene N5. II: Cyclic oxidation behavior at 1100 degrees C
Yao, Hongrui; Yang, Lanlan; Bao, Zebin; Zhu, Shenglong; Wang, Fuhui
2019-10-01
Source PublicationCORROSION SCIENCE
ISSN0010-938X
Volume159
AbstractThree gamma'-base coatings of Hf-doped and Re-modified NiCoCrAlTaY system were deposited on Rene N5 superalloy by magnetron sputtering. The cyclic oxidation behavior of these coatings was investigated at 1100 degrees C for 500 h. The gamma'-base coatings exhibited excellent resistance against coating/substrate interdiffusion and coating rumpling. The TGO was mainly alumina. Minor TGO spallation occurred on coatings with (similar to)19 at.% and 20 at.% Al, which may be correlated with the formation of Ta-rich oxide particles within TGO scales, while severe TGO spallation occurred on coating with (similar to)25 at.% Al, which may be correlated with the formation of voids at TGO/coating interface.
KeywordSuperalloys Coating Oxidation Spallation Rumpling
Indexed BySCI
Language英语
WOS IDWOS:000488143500018
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80725
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Yao, Hongrui,Yang, Lanlan,Bao, Zebin,et al. Low inter-diffusivity gamma '-base bondcoats for single crystal superalloy Rene N5. II: Cyclic oxidation behavior at 1100 degrees C[J]. CORROSION SCIENCE,2019,159.
APA Yao, Hongrui,Yang, Lanlan,Bao, Zebin,Zhu, Shenglong,&Wang, Fuhui.(2019).Low inter-diffusivity gamma '-base bondcoats for single crystal superalloy Rene N5. II: Cyclic oxidation behavior at 1100 degrees C.CORROSION SCIENCE,159.
MLA Yao, Hongrui,et al."Low inter-diffusivity gamma '-base bondcoats for single crystal superalloy Rene N5. II: Cyclic oxidation behavior at 1100 degrees C".CORROSION SCIENCE 159(2019).
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