Samples (No.)

P (Pressure)

(kN)

∆L

(mm)

Area

(mm²)

Strain %

Stress

(MPa)

M (Youngs Modulas)

(GPa or kN/mm²)

13 L

38

1.1

1923.446

0.011

19.7

1.79

5 L

23.5

0.5

1808.64

0.0049

12.9

2.63

1 L

43

1.4

1823.743

0.014

23.5

1.67