PSI - Issue 2_B

Abubakr Kredegh et al. / Procedia Structural Integrity 2 (2016) 3065–3072 Author name / Structural Integrity Procedia 00 (2016) 000–000

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Table 1. Material properties in Friction Stir Welding of Al Alloy 2024-T351

Fsw regimes

PZ

HAZ 68000

TMAZ 68000

NZ

Young’s modulus

68000

68000

Poisson’s ratio

0.33

0.33

0.33

0.33

Yield stress (MPa) Hardening constant Hardening exponent

370.00 770.00

484.00 719.00 0.05546 167.00

272.00 800.00 0.1266 118.00

350.00

- -

0.086

Hardness (Hv1)

132.00

142.00

Table 2. Stress-strain data of FSW zones

PZ

HAZ

TMAZ

NZ

Stress (MPa)

Strain 0.0003 0.0006 0.0009 0.0014 0.0021 0.0034 0.0050 0.0058 0.0084 0.0120

Stress (MPa)

Strain 0.0004 0.0006 0.00100 0.00126 0.00150 0.00200 0.00280 0.00438 0.00558 0.00898 0.01166

Stress (MPa)

Strain

Stress (MPa)

Strain

20 40 45 90

25 35 58 83 95

50.34 75.86

0.00070 0.00123 0.00160 0.00200 0.00310 0.00450 0.00570

30.43 51.30 69.56 91.30

0.00044 0.00080 0.00120 0.00150 0.00210 0.00320 0.00430 0.00550

106.90 131.03 186.21 268.96 331.03

125 220 300 320 440 487

130.43 186.95 286.96 331.31

130 175 280 330 480 540

Fig. 3. The 3D Finite element Model of FSW compound.

3. Numerical model of Aluminum 2024-T351 T-joint The structure of two friction stir welded joints consists of different stages for numerical simulation of crack growth within the structure: 1. Create 3D model (shape and dimensions), Fig. 3.