Research Article
Generation of R-Curve from 4ENF Specimens: An Experimental Study
Table 6
Mode II delamination toughness from present experiments.
| Material | (GPa) | 2 (mm) | Initiation toughness (J/m2) | Propagation toughness (J/m2) | CC (4) | CBT (6) | CC (4) | CBT (6) |
| Carbon/epoxy | 131 | 3.24 | 952 | 1105 | 910 | 1038 | Glass/epoxy | 38 | 5.96 | 1905 | 2109 | 1807 | 2022 |
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Width, = 20 mm; 2 = 100 mm; = 20 mm; = 60%.
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