PSI - Issue 82

Koji Uenishi et al. / Procedia Structural Integrity 82 (2026) 72–78 Uenishi et al. / Structural Integrity Procedia 00 (2026) 000–000

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5

10

0 ms

0.150 ms

0.270 ms

0.330 ms

0.390 ms

0.450 ms

0.480 ms

0.510 ms

0.540 ms

0.570 ms

1.185 ms

1.190 ms

1.195 ms

1.200 ms

1.230 ms

1.260 ms

1.290 ms

1.320 ms

1.380 ms

1.410 ms

1.440 ms

Fractur waves

1.470 ms

1.485 ms

1.500 ms

1.560 ms

1.620 ms

1.740 ms

1.745 ms

Fig. 3. Same as Fig. 2, except for that now dynamic splitting is observed along one of the double straight perforation lines shown in Fig. 1(b) [unit: mm].