PSI - Issue 28

B. Arroyo et al. / Procedia Structural Integrity 28 (2020) 188–199 Arroyo et al./ Structural Integrity Procedia 00 (2019) 000–000

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Figure 10. Load-displacement curves from embrittled SPT tested in air at conventional rates; SPT as received test superposed.

Table 1. Values of maximum loads and its corresponding displacements from embrittled SPT tested in air at conventional rates.

Punch rate Max load (N) Max displacement (mm)

732 820 901 618 760 797 831 648

0.75 0.87 0.76 0.68 0.66 0.68 0.64 0.62

768 N (mean)

0.77 mm (mean)

0.01 mm/s

759 N (mean)

0.65 mm (mean)

0.002 mm/s

Figure 11. Fractographic images from embrittled SPT tested in air at conventional rates