Journal of Inorganic Materials, Volume. 39, Issue 6, 647(2024)
Figures & Tables(7)
3. Coupling relationship between the main damage mechanisms of CMC and EBC
4. Failure model of CMC-EBC system considering the synergetic effect of coating properties and fibrous architecture of composite[91]
Table 1. Typical application components of CMC[4]
View tableView in ArticleTable 1. Typical application components of CMC[4]
Aero-engine Material Component M88-2 C/SiC Nozzle F119 SiC/SiC Nozzle F100 SiC/SiC Seal XTC97 SiC/SiC Combustion chamber F136 SiC/SiC Turbine vane EJ200 SiC/SiC Combustion nozzle Leap-1 SiC/SiC Turbine vane
Table 2. Basic thermal-mechanical properties of EBC constituents
View tableView in ArticleTable 2. Basic thermal-mechanical properties of EBC constituents
Material Average CTE/ (×10-6, K-1) Elastic modulus/GPa Melting point/℃ SiC/SiC CMC 4.75[ 46 ]220[ 46 ]2827[ 26 ]Si 3.5-4.5[ 47 ]97[ 48 ]1416[ 47 ]Mullite 5-6[ 47 ]150[ 46 ]1800[ 47 ]BSAS 4-5[ 47 ]32[ 48 ]1300[ 47 ]Lu2SiO5 6.7[ 12 ]169[ 44 ]- Yb2O3 6.8-8.4[ 47 ]- 2415[ 47 ]Yb2SiO5 7.1-7.4[ 12 ]158[ 44 ]1950[ 47 ]Yb2Si2O7 3.6-4.5[ 12 ]168[ 14 ]1850[ 47 ]Y2SiO5 6.9[ 14 ]124[ 14 ]1980[ 14 ]Y2Si2O7 3.9[ 14 ]155[ 14 ]1775[ 14 ]Er2SiO5 5-7[ 12 ]159[ 14 ]1980[ 14 ]Er2SiO5 5-7[ 12 ]159[ 14 ]1980[ 14 ]Gd2SiO5 10.3[ 14 ]- 1900[ 14 ]Sc2Si2O7 5.4[ 47 ]- 1850[ 47 ]La2Zr2O7 9.1[ 49 ]63[ 49 ]2250[ 50 ]
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Guangwu FANG, Haoyuan XIE, Huajun ZHANG, Xiguang GAO, Yingdong SONG.
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Received: Jan. 3, 2024
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Published Online: Jul. 31, 2024
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