PSI - Issue 13

A. Vshivkov et al. / Procedia Structural Integrity 13 (2018) 1189–1194 Author name / Structural Integrity Procedia 00 (2018) 000–000

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(a) (b) Fig. 6. Plastic strain (n=1, component ε i ): (a) by a numerical simulation; (b) analytic solution by equation (1).

30

25

e11 e12 e22 shear intensity

25

20

20

15

15

e11 e12 e22 shear intensity

10

10

5

5

1

2

3

4

5

6

7

1

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7

Load, kN

Load, kN

(a)

(b)

25

22

e11 e12 e22 shear intensity

e11 e12 e22 shear intensity

20

20

18

16

15

14

12

10

10

8

5

6

1

2

3

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5

6

7

1

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Load, kN

Load, kN

(c) (d) Fig. 7. An error in the plastic deformation (a) – n = 0; (b) – n = 0.5; (c) – n =0.7; (d) – n = 1.

These loading levels correspond to 10 -8 – 10 -3 m/cycle crack growth rate.