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Characterization of multi-scale synergistic toughened nanostructured YSZ thermal barrier coatings: From feedstocks to coatings
Zhou, FF; Deng, CM; Wang, Y; Liu, M; Wang, L; Wang, YM; Zhang, XF
2020-04-01
Source PublicationJOURNAL OF THE EUROPEAN CERAMIC SOCIETY
ISSN0955-2219
Issue4Pages:1443
SubtypeArticle
AbstractThe nanostructured 8YSZ thermal barrier coatings were deposited by atmospheric plasma spraying onto K417 G nickel-based superalloy with high velocity oxygen fuel sprayed NiCoCrAlYCe bond-coat using as-prepared nanostructured t'-Zr0.9Y0.1O1.95 feedstocks for the first time. The microstructure and mechanical properties of nanostructured and conventional 8YSZ coatings were comparatively investigated systematically. The results revealed that both coatings were composed of t'-Zr0.9Y0.1O1.95 phase and the formation mechanism of t' phase was elucidated. The nanostructured 8YSZ coatings demonstrated typical bi-modal microstructure, whereas the conventional 8YSZ coatings exhibited mono-modal microstructure. Furthermore, the bi-modal microstructure of nanostructured 8YSZ coatings was analysed by elastic modulus and nanohardness Weibull distribution plots. The high and low slopes in Weibull distribution plots corresponded to unmelted and melted regions of nanostructured 8YSZ coatings, respectively. The fracture toughness and bonding strength of nanostructured coatings were higher than that of conventional 8YSZ coatings. Finally the reasons were explained in detail.
DOI10.1016/j.jeurceramsoc.2019.11.073
WOS KeywordMECHANICAL-PROPERTIES ; SHOCK RESISTANCE ; CYCLING BEHAVIOR ; YOUNGS MODULUS ; MICROSTRUCTURE ; SPRAY ; OXIDATION ; CONDUCTIVITY ; POROSITY ; HARDNESS
Language英语
WOS Research AreaMaterials Science
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/28194
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Zhou, FF,Deng, CM,Wang, Y,et al. Characterization of multi-scale synergistic toughened nanostructured YSZ thermal barrier coatings: From feedstocks to coatings[J]. JOURNAL OF THE EUROPEAN CERAMIC SOCIETY,2020(4):1443.
APA Zhou, FF.,Deng, CM.,Wang, Y.,Liu, M.,Wang, L.,...&Zhang, XF.(2020).Characterization of multi-scale synergistic toughened nanostructured YSZ thermal barrier coatings: From feedstocks to coatings.JOURNAL OF THE EUROPEAN CERAMIC SOCIETY(4),1443.
MLA Zhou, FF,et al."Characterization of multi-scale synergistic toughened nanostructured YSZ thermal barrier coatings: From feedstocks to coatings".JOURNAL OF THE EUROPEAN CERAMIC SOCIETY .4(2020):1443.
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