Issue 59

G. Risitano, Frattura ed Integrità Strutturale, 59 (2022) 537-548; DOI: 10.3221/IGF-ESIS.59.35

Test Maximum Stress [MPa] Number of cycles Run Out

52 57 62 67 52 57 62 67 52 57 62 67 27 32 37 42 47 52 57 62 67 27 32 37 42 47 52 57 62 67 27 32 37 42 47 52 57 62 67

2.00E+04 2.00E+04 2.00E+04 1.65E+04 2.00E+04 2.00E+04 2.00E+04 5.09E+04 2.00E+04 2.00E+04 2.00E+04 4.28E+04 1.00E+04 1.00E+04 1.00E+04 1.00E+04 1.00E+04 1.00E+04 1.00E+04 1.00E+04 1.00E+04 1.00E+04 1.00E+04 1.00E+04 1.00E+04 1.00E+04 1.00E+04 1.00E+04 1.00E+04 1.00E+04 1.00E+04 1.00E+04 1.00E+04 1.00E+04 1.00E+04 1.00E+04 1.00E+04 1.00E+04

15

NO

16

NO

17

NO

18

NO

19

NO

20

NO

1.00E+04 Table 5: Summary of the second series of cycling tests (RTM) on 6 specimens.

545