| LIU Bao,ZHAN Zhao-lin,ZHAI zhi-qing.Application Status of Rare Earth Oxides Ceramic Materials on Thermal Barrier Coatings[J],36(2):61-64 |
| Application Status of Rare Earth Oxides Ceramic Materials on Thermal Barrier Coatings |
| Received:November 09, 2006 Revised:April 10, 2007 |
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| DOI： |
| KeyWord:Oxides Thermal barrier coatings Thermo-physical properties Doping Ceramic |
| Author | Institution |
| LIU Bao |
Faculty of Mechanical and Electrical Engineering, Kunming University of Science and Technology,Kunming , China |
| ZHAN Zhao-lin |
Faculty of Mechanical and Electrical Engineering, Kunming University of Science and Technology,Kunming , China |
| ZHAI zhi-qing |
SINOPEC Luoyang Company, Luoyang , China |
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| Abstract: |
| With the development of aero turbine engines technology , it requires that ceramics for thermal barrier coatings have lower thermal conductivity and higher phase stability. Because of the extending use of oxides ceramic materials on thermal barrier coatings, the research status of oxides ceramics materials such as rare-earth oxides coatings, lanthanum-aluminum oxides and 2r02 doped with oxides ( one type, two types and multitype) were summarized. It is pointed that future research should aim at the following aspects which include enhancing the phase stability at high temperature of rare earth oxides by appropriate methods, improving thermo-physical properties of lanthanum-aluminum oxides and doping the 2r02-based ceramic materials for thermal barrier coatings with appropriate oxides in order to improve the thermophysical properties. |
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