Research Article
A Study of Failure Strength for Fiber-Reinforced Composite Laminates with Consideration of Interface
Table 1
Material constant and viscoplastic parameters of Timetal 21S matrix.
| | Material | Timetal 21S matrix | SCS-6 fiber | | (°C) | 23 | 300 | 650 | 21 | 650 |
| | Elastic modulus /Gpa | 114.1 | 107.9 | 80.7 | 393 | 59.7 | | Thermal expansion coefficient (10−6) | 7.72 | 9.21 | 12.13 | 3.564 | 3.826 | | Poisson’s ration | 0.365 | 0.365 | 0.365 | 0.25 | 0.25 | | (Mpa) | 1029 | 768.4 | 5.861 | — | — | | 0.001 | 0 | 0 | — | — | | (Pa) | 69.08 | 103.5 | 587.0 | — | — | | (1/sec) | 0 | 0 | 1.0 * 10−6 | — | — | | Failure strength (Mpa) | 1190 | — | 460 | 2584 | 2380 | |
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