Research Article
Environmental Degradation and Durability of Epoxy-Clay Nanocomposites
Table 5
Normalized flexure strength for specimens, as a function of exposure duration.
| Environment | Exposure duration | Normalized Flexure Strength | Relative strength | Neat epoxy | Epoxy-clay | |
| Moisture | 0 | 1.00 | 1.00 | 0.0% | 1320 | 0.61 | 0.49 | 19.4% | 2712 | 0.62 | 0.49 | 21.3% | 4098 | 0.53 | 0.47 | 12.2% |
| UV radiation and condensation | 0 | 1.00 | 1.00 | 0.0% | 1320 | 0.24 | 0.31 | 29.6% | 2712 | 0.17 | 0.25 | 47.9% | 4098 | 0.19 | 0.26 | 37.3% |
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