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(Y0.25Yb0.25Er0.25Lu0.25)2(Zr0.5Hf0.5)2O7: A defective fluorite structured high entropy ceramic with low thermal conductivity and close thermal expansion coefficient to Al2O3
Alternative Title(Y0.25Yb0.25Er0.25Lu0.25)2(Zr0.5Hf0.5)2O7: A defective fluorite structured high entropy ceramic with low thermal conductivity and close thermal expansion coefficient to Al2O3
Zifan Zhao1; Heng Chen2; Huimin Xiang2; FuZhi Dai2; Xiaohui Wang3; Wei Xu4; Kuang Sun4; Zhijian Peng1; Yanchun Zhou2
2020
Source Publication材料科学技术:英文版
ISSN1005-0302
Volume000Issue:004Pages:167-172
AbstractAl2O3f/Al2O3 ceramic matrix composites(CMC)are promising candidate materials of blades and combustor liners of future gas turbines in light of their higher temperature capability,higher environmental stability and oxidizing-free capacity1–3.Nevertheless,grain growth,sintering and creep deformation at high operation temperatures are still serious problems for Al2O3f/Al2O3 ceramic matrix composites,which can lead to a reduction in the strength and damage tolerance2.Moreover,Al2O3 can be corroded by the high temperature water vapor in combustion environments and yields volatile products,such as Al(OH)34.Consequently,environmental barrier coatings(EBCs)are necessary for Al2O3f/Al2O3 ceramic matrix composites,which can protect Al2O3f/Al2O3 CMC from high temperature and flowing combustion gas corrosion and thus increase the high temperature capability and the service life of components.
KeywordAl2O3f/Al2O3 ceramic matrix conductivity close thermal expansion
Indexed ByCSCD
Language中文
Funding Project[National Natural Science Foundation of China]
CSCD IDCSCD:6669820
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/145161
Collection中国科学院金属研究所
Affiliation1.School of Engineering and Technology University of Geosciences
2.Science and Technology on Advanced Functional Composite Laboratory,Aerospace Research Institute of Materials&Processing Technology
3.中国科学院金属研究所
4.Shanghai Chenhua Science and Technology Corporation Limted
Recommended Citation
GB/T 7714
Zifan Zhao,Heng Chen,Huimin Xiang,et al. (Y0.25Yb0.25Er0.25Lu0.25)2(Zr0.5Hf0.5)2O7: A defective fluorite structured high entropy ceramic with low thermal conductivity and close thermal expansion coefficient to Al2O3[J]. 材料科学技术:英文版,2020,000(004):167-172.
APA Zifan Zhao.,Heng Chen.,Huimin Xiang.,FuZhi Dai.,Xiaohui Wang.,...&Yanchun Zhou.(2020).(Y0.25Yb0.25Er0.25Lu0.25)2(Zr0.5Hf0.5)2O7: A defective fluorite structured high entropy ceramic with low thermal conductivity and close thermal expansion coefficient to Al2O3.材料科学技术:英文版,000(004),167-172.
MLA Zifan Zhao,et al."(Y0.25Yb0.25Er0.25Lu0.25)2(Zr0.5Hf0.5)2O7: A defective fluorite structured high entropy ceramic with low thermal conductivity and close thermal expansion coefficient to Al2O3".材料科学技术:英文版 000.004(2020):167-172.
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