Abstract
The present paper investigates the failure of orthotropic laminates with a filled hole subjected to biaxial compression-tension loading. This is an idealised case that simulates a situation where the impact damaged laminate has been repaired by drilling a hole and then plugging the hole with a perfect-fit core made of a dissimilar material. The exact stress distribution in the laminate has been determined using the complex variable mapping method. These stresses are then employed in a fracture mechanics failure model to predict the failure load of a laminate with a filled hole under in-plane compression-dominated multi-axial loading. Failure strength predictions are compared to open hole results and experimental data.
| Original language | English |
|---|---|
| Pages (from-to) | 307-326 |
| Number of pages | 19 |
| Journal | Applied Composite Materials |
| Volume | 8 |
| Issue number | 5 |
| DOIs | |
| Publication status | Published - Sept 2001 |
Keywords
- Complex variable mapping
- Composite laminates
- Compression
- Fibre microbuckling
- Filled-hole
- Inclusion
- Multi-axial loading
- Open-hole
- Strength prediction
- Stress distributions
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