IMR OpenIR
Superior toughness of thermal barrier coating caused by co-doping of trivalent and pentavalent oxides
Gao, Minghao; Xu, Na; Zhang, Jia; Wang, Junzhe; Chang, Hui; Cui, Fengjing; Luan, Shengjia; Jia, Bowen; Deng, Yuting; Chang, Xinchun
通讯作者Gao, Minghao(mhgao15b@imr.ac.cn) ; Xu, Na(naxu@imr.ac.cn)
2024-05-01
发表期刊CERAMICS INTERNATIONAL
ISSN0272-8842
卷号50期号:9页码:15360-15366
摘要The zirconia-based thermal barrier coating co-doped with trivalent and pentavalent oxides was deposited on DD 90 single crystal superalloy using air plasma spraying. The coating is composed of cubic and tetragonal phases denoted by bi-phase solid solution (BPS) ceramic coating. The microstructure, cross-sectional morphology, and cracks evolution of BPS coatings, before and after 1200 degrees C thermal cycling, were investigated compared with 8YSZ coating. The BPS coating is intact after 250 thermal cycles, and the phase constitution is consistent with assprayed state. On the contrary, the brittle monoclinic phase can be observed in the thermal cycled 8YSZ coating, and severe exfoliation occurred. The propagation and splitting of the cracks are inhibited by the randomly distributed nanocrystalline clusters, and the cracks are inclined to grow longitudinally, which are beneficial to improve the toughness and thermal shock resistance of thermal barrier coating.
关键词Thermal barrier coating Nanocrystalline Toughness Zirconia Thermal shock resistance Air plasma spraying
资助者IMR Innovation Fund ; Key Research Program of the Chinese Academy of Sciences ; Basic Scientific Research Program
DOI10.1016/j.ceramint.2024.01.270
收录类别SCI
语种英语
资助项目IMR Innovation Fund[2022-PY08] ; Key Research Program of the Chinese Academy of Sciences ; Basic Scientific Research Program[ZDRW-CN-2021-2-2] ; [JCKY2021204A004]
WOS研究方向Materials Science
WOS类目Materials Science, Ceramics
WOS记录号WOS:001218195000001
出版者ELSEVIER SCI LTD
引用统计
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/186025
专题中国科学院金属研究所
通讯作者Gao, Minghao; Xu, Na
作者单位Chinese Acad Sci, Shi Changxu Innovat Ctr Adv Mat, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China
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GB/T 7714
Gao, Minghao,Xu, Na,Zhang, Jia,et al. Superior toughness of thermal barrier coating caused by co-doping of trivalent and pentavalent oxides[J]. CERAMICS INTERNATIONAL,2024,50(9):15360-15366.
APA Gao, Minghao.,Xu, Na.,Zhang, Jia.,Wang, Junzhe.,Chang, Hui.,...&Chang, Xinchun.(2024).Superior toughness of thermal barrier coating caused by co-doping of trivalent and pentavalent oxides.CERAMICS INTERNATIONAL,50(9),15360-15366.
MLA Gao, Minghao,et al."Superior toughness of thermal barrier coating caused by co-doping of trivalent and pentavalent oxides".CERAMICS INTERNATIONAL 50.9(2024):15360-15366.
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