PSI - Issue 66

Jinta Arakawa et al. / Procedia Structural Integrity 66 (2024) 38–48 Author name / Structural Integrity Procedia 00 (2025) 000–000

45

8

Grain ID.

SF 0.5

① ② ③ ④ ⑤ ⑥ ⑦ ⑧ ⑨ ⑩ ⑪ ⑫ ⑬ ⑭

high

①

0.414 0.429 0.466 0.343 0.423 0.434

② ③

④ ⑤

⑥

⑦

Fatigue crack initiation

⑨

⑧

⑫ ⑩

⑪

⑬ ⑭

high

0.5

0.485 0.490

50μm

high

0.5

Loading direction

low

0.368 0.396 0.489

0.2 0.5

Fig. 8. SF map around fatigue crack initiation site.

y

Strain Velocity 0.1 [s -1 ] Final strain ε =0.16 [%]

x

◉

z

A

B

Fig. 9. Analysis model for CP-FEM.