Research Article
Fracture Energy Estimation of DCB Specimens Made of Glass/Epoxy: An Experimental Study
Table 4
Comparison of energy release rate and Young’s modulus of unidirectional composites based on analytical data reduction schemes.
| | Material | Critical energy release rate, (J/m2) | Young’s modulus, (GPa) | | Strength of material approach (11) | Cubic law | Power law | Published result | Cubic law | Power law |
| | Carbon/PEEK [1] | 2006.37 | 2051.68 | 2149.03 | 130.0 | 129.94 | 136.06 | | Carbon/epoxy [1] | 262.73 | 261.60 | 287.90 | 136.0 | 135.60 | 139.65 | | Carbon/PES [17] | 2150.64 | 2121.76 | 2230.22 | 127.0 | 126.43 | 131.15 | | T300-634 DDS [19] | 642.13 | 641.01 | 641.80 | 133.0 | 132.53 | 133.06 | | Carbon/epoxy [20] | 364.07 | 361.60 | 428.94 | 150.0 | 135.99 | 137.41 | | CYCOM-982 [21] | 262.33 | 264.10 | 271.79 | 136.0 | 137.65 | 141.87 | | APC-2 [21] | 1563.81 | 1582.46 | 1655.85 | 129.0 | 130.75 | 133.56 | | Carbon/PEK-C [16] | 877.33 | 873.70 | 875.12 | 48.2 | 46.80 | 49.94 | | Carbon/BMI T300/QY8911 [18] | 170.60 | 196.09 | 214.54 | 135.0 | 133.46 | 141.12 | | Glass/BMI S2/QY8911 [18] | 1090.40 | 1098.87 | 1217.07 | 42.8 | 43.2 | 54.09 | | Glass/epoxy [14] | 1175.53 | 806.60 | 854.50 | 48.5 | 40.35 | 58.01 | | Glass/Polyester [22] | 1018.16 | 1018.11 | 1203.35 | 33.0 | 39.48 | 41.15 | | Glass/epoxy, Present test | 1075.00 | 1109.51 | 1098.48 | 36.0 | 33.5 | 38.6 |
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