Samples

(No.)

P (Pressure)

(KN)

∆L

(mm)

Strain (%)

Stress

(MPa)

E (Youngs Modulas) (GPa or kN/mm)

19 G

16

1.8

0.018

25

1.38

20 G

14.5

2.5

0.024

23

0.958

43 G

17.5

1.5

0.0149

31

2.08