A ductile iron specimen with a rectangular cross-section of 4.8 mm by 15.9 mm is subjected to a tensile test. Solve problems a) to f) using the load-elongation data listed below.

Using these data, plot the nominal stress-conventional strain diagram.

b) Calculate the modulus of elasticity.

c) Determine the conventional yield strength at 0.002. d) Determine the tensile strength of this alloy.

e) Calculate the volumetric elastic energy absorption capacity.

f) Calculate the ductility in percent

Charge (N) 0 4 740 9 140 12 920 16 540 18 300 20 170 22 900 25 070 26 800 Longueur (mm) 75,000 75,025 75,050 75,075 75,113 75,150 75,225 75,375 75,525 75,750 Charge (N) 28 640 30 240 31 100 31 280 30 820 29 180 27 190 24 140 18 970 Longueur (mm) 76,500 78,000 79,500 81,000 82,500 84,000 85,500 87,000 88,725 Rupture