Table 1 Degradation model for all damage mechanisms (Mao et al. 2013)
From: Modelling of Damage Evolution in Braided Composites: Recent Developments
Degradation factor | Matrix failure | Matrix failure in weft yarn | Matrix failure in warp yarn | Fibre failure in weft yarn | Fibre failure in weft yarn |
|---|---|---|---|---|---|
d 11 | 0.75 | 1 | 0.85 | 0.001 | 1 |
d 22 | 0.75 | 0.85 | 1 | 1 | 0.001 |
d 33 | 0.001 | 0.25 | 0.25 | 0.85 | 0.85 |
d 12 | 0.01 | 0.25 | 0.25 | 0.001 | 0.001 |
d 23 | 0.01 | 0.75 | 0.25 | 0.25 | 0.001 |
d 13 | 0.01 | 0.25 | 0.75 | 0.001 | 0.25 |