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) |
|
|
| (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) |
|
|
