PSI - Issue 13

M.R. Ayatollahi et al. / Procedia Structural Integrity 13 (2018) 735–740 Author name / Structural Integrity Procedia 00 (2018) 000–000

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Table 1. The values of fracture load, fracture initiation angle, biaxiality ratio B and B α for the tested PMMA specimens. Specimen type B B α Fracture load (N) Fracture initiation angle θ 0 (experimental) Fracture initiation angle θ 0 (GSED) Fracture initiation angle θ 0 (GMTS) CT 0.51 0.06 319 0 0 0 DCB 1 3.24 0.22 141 -9 -9 0 DCB 2 4.80 0.25 87 -56 -55 0 TDCB 1 1.47 0.10 367 0 0 0 TDCB 2 4.56 0.24 175 -31 -42 0

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Experimental results GSED GMTS

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Fig. 3. Crack growth paths for different PMMA specimens.