Table 1 Chemical compositions of the tested material (wt.%).

From: Surface roughness effect on fatigue strength of aluminum alloy using revised stress field intensity approach

Zn

Mg

Cu

Mn

Cr

Ti

Zr

Si

Fe

Al

4.80

1.80

0.15

0.55

0.24

0.17

0.22

0.23

0.35

Balance

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