Abstract
This paper proposes a simple model to predict the fracture toughness of multidirectional carbon-epoxy composite laminates using the fracture toughness of the 0° ply. The model is based on a combination of Linear-Elastic Fracture Mechanics and lamination theory, and uses as material properties the ply elastic properties and the fracture toughness of the 0° ply measured in compact tension test specimens. A good correlation is obtained by comparing the model predictions and experimental data obtained in center-cracked specimens manufactured using different lay-ups and materials.
| Original language | English |
|---|---|
| Pages (from-to) | 2535-2546 |
| Number of pages | 12 |
| Journal | Engineering Fracture Mechanics |
| Volume | 78 |
| Issue number | 13 |
| DOIs | |
| Publication status | Published - Aug 2011 |
| Externally published | Yes |
Keywords
- Fracture Mechanics
- Polymer-matrix composites
- Toughness testing
ASJC Scopus subject areas
- Mechanical Engineering
- Mechanics of Materials
- General Materials Science
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