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Effects of isothermal oxidation on microstructure and mechanical properties of thermal barrier coatings
Liu, Y. Z.; Hu, X. B.; Zhu, Y. L.; Wei, H.; Dravid, Vinayak P.; Zhang, W. W.
2019-05-01
Source PublicationCERAMICS INTERNATIONAL
ISSN0272-8842
Volume45Issue:7Pages:8815-8823
AbstractAn 8 (wt.) % yttria partially stabilized zirconia (YSZ) coating isothermally oxidized in air at 1100 degrees C for up to 3000 h was investigated by means of indentation and electron microscopy analyses. It is found that the growth kinetics of thermally grown oxides followed a parabolic law. The apparent porosity within the coatings decreased after isothermal oxidation. The tetragonal prime YSZ phase transformed into cubic and then monoclinic phases during isothermal oxidation. Elastic modulus, microhardness and fracture toughness of the coating increased as oxidation duration prolonged. The correlation between microstructural variation and mechanical properties was discussed.
KeywordThermal barrier coatings (TBCs) Microstructural evolution Mechanical properties Isothermal oxidation Transmission electron microscopy (TEM)
Indexed BySCI
Language英语
WOS IDWOS:000463688500095
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/81135
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Liu, Y. Z.,Hu, X. B.,Zhu, Y. L.,et al. Effects of isothermal oxidation on microstructure and mechanical properties of thermal barrier coatings[J]. CERAMICS INTERNATIONAL,2019,45(7):8815-8823.
APA Liu, Y. Z.,Hu, X. B.,Zhu, Y. L.,Wei, H.,Dravid, Vinayak P.,&Zhang, W. W..(2019).Effects of isothermal oxidation on microstructure and mechanical properties of thermal barrier coatings.CERAMICS INTERNATIONAL,45(7),8815-8823.
MLA Liu, Y. Z.,et al."Effects of isothermal oxidation on microstructure and mechanical properties of thermal barrier coatings".CERAMICS INTERNATIONAL 45.7(2019):8815-8823.
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