PSI - Issue 37

Koji Uenishi et al. / Procedia Structural Integrity 37 (2022) 397–403 Uenishi and Nagasawa / Structural Integrity Procedia 00 (2022) 000 – 000

402 6

a

Tensile loading

bcccc

10 mm

Main fracture (quasi-static)

0  s

240  s

40  s

280  s

80  s

320  s

120  s

360  s

Arrest of secondary fracture

Arrest of the main fracture

160  s

400  s

Secondary fracture (dynamic)

200  s

440  s

Fig. 4. Specimen with a different initial pattern shows that multiple cracks do not always enhance further fracture development [unit: mm].