Pure Al surface porosity (%)

Young’s modulus (GPa)

Hardness (GPa)

Al 6061 surface porosity (%)

Young’s modulus (GPa)

Hardness (GPa)

1.9

31.49

0.56

3.5

57.32

0.67

5.8

24.94

0.52

10.2

51.22

0.64

12.5

22.01

0.42

16.0

19.70

0.48

15.1

16.63

0.37

20.7

10.11

0.39