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Oxidation mechanism of a nanocrystalline NiCrAlYSiHfN/AlN multilayer coating
Liu, Zhengliang; Shen, Mingli; Zhu, Shenglong; Jia, Yixuan; Wang, Fuhui
2019-08-01
Source PublicationCORROSION SCIENCE
ISSN0010-938X
Volume156Pages:71-83
AbstractA multilayer coating with alternate NiCrAlYSiHfN/AlN nanocrystalline layers was prepared by dual-magnetron reactive-sputtering. The NiCrAlYSiHfN layers comprised gamma-Ni, hcp-AlN, CrN and Cr2N while AlN layers comprised hcp-AlN and metallic Al. The k(p) of the alumina scale is equal to that of alpha-Al2O3 on beta-NiAl alloy. The alumina scale comprised alternate coarse- and fine-grained alumina sublayers with a few dispersed Ni(Cr) particles. Degradation of the multilayer coating, including partial decomposition of the AlN layers and precipitation of large-grained AlN within the NiCrAlYSiHfN layers, was observed. Inter-diffusion with the triple-layer structure in the IDZ between the coating and the substrate occurred.
KeywordSuperalloys Multilayer coatings Oxidation TEM
Indexed BySCI
Language英语
WOS IDWOS:000472589600007
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80870
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Liu, Zhengliang,Shen, Mingli,Zhu, Shenglong,et al. Oxidation mechanism of a nanocrystalline NiCrAlYSiHfN/AlN multilayer coating[J]. CORROSION SCIENCE,2019,156:71-83.
APA Liu, Zhengliang,Shen, Mingli,Zhu, Shenglong,Jia, Yixuan,&Wang, Fuhui.(2019).Oxidation mechanism of a nanocrystalline NiCrAlYSiHfN/AlN multilayer coating.CORROSION SCIENCE,156,71-83.
MLA Liu, Zhengliang,et al."Oxidation mechanism of a nanocrystalline NiCrAlYSiHfN/AlN multilayer coating".CORROSION SCIENCE 156(2019):71-83.
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