PSI - Issue 28

Jesús Toribio et al. / Procedia Structural Integrity 28 (2020) 2444–2449 Jesús Toribio et al. / Procedia Structural Integrity 00 (2020) 000–000

2446

3

R

C

C/D = 0.1

D/2

F

C/D = 0.4 (a)

(b)

(c)

Fig. 1. Two-dimensional (2D) geometry of the considered specimen: (a) sharply-notched specimen with shallow (C/D = 0.1) and deep (C/D= 0.4) notch; (b) characteristic parameters; (c) finite element mesh.

1000 1200

0 200 400 600 800

 (MPa)

0.00 0.02 0.04 0.06 0.08



Fig. 2. Characteristic stress-strain curve σ - ε of pearlitic steel (standard tension test).

100

80

60

R/D=0.04

40

0 0.0 0.5 1.0 1.5 2.0 2.5 C/D=0.1 C/D=0.2 C/D=0.3 C/D=0.4

F (kN)

20

u (mm)

Fig. 3. Load-displacement curves F - u for specimens with sharp notches of different depths.