Research Article
Durability Modeling of Environmental Barrier Coating (EBC) Using Finite Element Based Progressive Failure Analysis
Table 2
Material properties of top and intermediate coats and bond [
13].
(a) |
| Bond coat properties | Value | Units |
| Young’s modulus | 97 | (GPa) | Poisson’s ratio | 0.21 | (—) | CTE | | (1/°C) | Tension strength | 40 | (MPa) | Compression strength | 40 | (MPa) | Shear strength | 40 | (MPa) |
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|
(b) |
| Intermediate coat properties | Value | Units |
| Young’s modulus | 37.4 | (GPa) | Poisson’s ratio | 0.179 | (—) | CTE | | (1/°C) | Tension strength | 28 | (MPa) | Compression strength | 28 | (MPa) | Shear strength | 28 | (MPa) |
|
|
(c) |
| Top coat properties | Value | Units |
| Young’s modulus | 32 | (GPa) | Poisson’s ratio | 0.19 | (—) | CTE | | (1/°C) | Tension strength | 28 | (MPa) | Compression strength | 28 | (MPa) | Shear strength | 28 | (MPa) |
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