Abstract
A model of interlaminar fatigue crack growth based on damage accumulation ahead of the crack is proposed. Linear cumulative assumption is used for damage estimation, and a quadratic failure criterion is applied for complex interlaminar loading. Model parameters are determined from mode I and mode II fatigue tests, and used to predict mixed-mode delamination propagation rate. Comparison of theoretical prediction with mixed-mode test results for different brittle graphite FRP at several mode- and load ratios show reasonable agreement.
| Original language | English |
|---|---|
| Pages (from-to) | 431-450 |
| Number of pages | 20 |
| Journal | Journal of Reinforced Plastics and Composites |
| Volume | 20 |
| Issue number | 5 |
| DOIs | |
| Publication status | Published - 2001 |
Keywords
- Cyclic loading
- Delamination
- Laminated composite
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