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Table 2 Values of GIC and GIIC (N/mm) for the three adhesives

From: Application a direct/cohesive zone method for the evaluation of scarf adhesive joints

Adhesive Araldite® AV138 Araldite® 2015 Sikaforce® 7752
Specimen G IC G IIC G IC G IIC G IC G IIC
1 0.224 0.552 0.437 3.444 3.420
2 0.252 0.732 0.434 3.903 5.067
3 0.231 0.676 0.494 2.873 3.842 6.050
4 0.329 0.456 3.298 4.183 5.360
5 0.237 0.566 0.665 3.123 6.070
6 0.197 0.533 0.712 3.140 3.502 5.173
7   0.523   3.080 5.790
8   0.479   2.901 6.160
Average J-int 0.245 ± 0.045 0.580 ± 0.090 0.533 ± 0.123 3.123 ± 0.203 3.770 ± 0.278 5.667 ± 0.459
Average CBBM [18, 31, 36] 0.249 ± 0.033 0.618 ± 0.069 0.539 ± 0.116 2.967 ± 0.273 3.683 ± 0.320 5.562 ± 0.356