PSI - Issue 2_A

F. Musiari et al. / Procedia Structural Integrity 2 (2016) 112–119

117

Author name / Structural Integrity Procedia 00 (2016) 000 – 000

6

Fig. 4 - Force vs Crack Opening Displacement (N01 nanomodified specimen)

Tab. 3 - Crack length, load and fracture toughness evaluated in each force peak of N01 nanomodified specimen

Force peak

Crack length [mm]

Load [N]

Fracture toughness [N/mm]

1 2 3 4 5 6

48.90 76.31 95.42 121.38 141.52 164.99

669.42 532.53 462.51 345.52 295.00 270.70

0.104 0.144 0.164 0.143 0.139 0.157

The same data referred to the N02 nanomodified specimen are visible in Fig. 5 and Tab. 4.

Fig. 5 - Force vs Crack Opening Displacement (N02 nanomodified specimen)

Tab. 4 - Crack length, load and fracture toughness evaluated in each force peak of N02 nanomodified specimen

Force peak

Crack length [mm]

Load [N]

Fracture toughness [N/mm]

1 2 3 4 5 6

51.85 68.59 88.13 103.83 115.62 124.10

625.60 539.80 499.40 465.40 456.30 446.50

0.100 0.122 0.165 0.194 0.228 0.249

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