Issue 54

I. Chekalil et alii, Frattura ed Integrità Strutturale, 54 (2020) 153-168; DOI: 10.3221/IGF-ESIS.54.11

Figure 3: Dumbbell-shaped specimen tensile test measured by the extensometer

Micro hardness (HV)

T Fusion (°C)

YS (MPa)

UTS (MPa)

RS (MPa)

EL %

YM (GPa)

51

110

160

127

5,6

60

650

Table 1: Mechanical properties of the material before welding

Element

Al

Mn

Si

Fe

Cu

Ti

Zn

Mg

Cr

%

96,7

1,3

0,9

0,9

0,13

0,1

0,03

0

0

Table 2: Chemical composition of the material before welding Fig. 4 displays a typical example of the profile obtained during the tensile test; the important factors of the stress-stain curve of friction stir welding (FSW) joint profile (Output experimental results) are summarized in Tab. 3.

Figure 4: Typical stress-stain curve of friction stir welding (FSW) joint.

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