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Oxidation behavior of Al/Y co-modified nanocrystalline coatings with different Al content on a nickel-based single-crystal superalloy
Yang, Shasha; Wang, Yingqin; Chen, Minghui; Yang, Lanlan; Wang, Jinlong; Zhu, Shenglong; Wang, Fuhui
2020-07-01
Source PublicationCORROSION SCIENCE
Volume170
AbstractIsothermal oxidation behavior of Al/Y co-modified sputtering nanocrystalline coatings with various Al content on the Rene N5 single-crystal superalloy is investigated. Results indicate that precipitation and redissolution of the Y-containing sigma-phase during oxidation are strongly dependent on the original Al content, which leads to different segregation behavior of Y-enriched oxides in alumina scales and oxidation kinetics. Higher Al content inhibits the intensive oxidation of Y, but causes elements interdiffusion with the alloy substrate. The nanocrystalline coating with moderate content of Al and equilibrium single gamma' phase, possesses the best comprehensive properties, i.e. low oxidation rate, meanwhile little elements interdiffusion.
DOI10.1016/j.corsci.2020.108700
WOS IDWOS:000533523500042
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/82743
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Yang, Shasha,Wang, Yingqin,Chen, Minghui,et al. Oxidation behavior of Al/Y co-modified nanocrystalline coatings with different Al content on a nickel-based single-crystal superalloy[J]. CORROSION SCIENCE,2020,170.
APA Yang, Shasha.,Wang, Yingqin.,Chen, Minghui.,Yang, Lanlan.,Wang, Jinlong.,...&Wang, Fuhui.(2020).Oxidation behavior of Al/Y co-modified nanocrystalline coatings with different Al content on a nickel-based single-crystal superalloy.CORROSION SCIENCE,170.
MLA Yang, Shasha,et al."Oxidation behavior of Al/Y co-modified nanocrystalline coatings with different Al content on a nickel-based single-crystal superalloy".CORROSION SCIENCE 170(2020).
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