PSI - Issue 28

13

Giovanni Meneghetti et al. / Procedia Structural Integrity 28 (2020) 1481–1502 Giovanni Men ghetti et al./ Structural Integ ity Procedia 00 ( 019) 0 0–000

1493

1000

287 228 363

B2, R = 0.05 Steel joints - IIW

112 (k=3)

100

∆σ nom [MPa]

toe failures – ADI side Δσ A,97.7% = 228 MPa N A = 2 ∙10 6 cycles T σ (2.3%-97.7%)=1.6 Slope k = 27.9

(c)

10

N A

1,E+04

1,E+05

1,E+06

1,E+07

Number of cycles to failure

1000

251 329 432

B2, R = 0.05 Steel joints - IIW

112 (k=3)

100

∆σ nom [MPa]

toe failures – ADI side Δσ A,97.7% = 251 MPa N A = 2 ∙10 6 cycles T σ (2.3%-97.7%) = 1.72 Slope k=8

(d)

10

N A

1,E+04

1,E+05

1,E+06

1,E+07

Number of cycles to failure

1000

453 276 169

C, R = 0.05 C, R = 0.5 Steel joints - IIW and EC3

100

∆σ nom [MPa]

80 (k=3)

toe failures – ADI side Δσ A,97.7% = 169 MPa N A = 2 ∙10 6 cycles T σ (2.3%-97.7%)= 2.68 Slope k= 11

(e)

10

N A

1,E+04

1,E+05

1,E+06

1,E+07

Number of cycles to failure