Plot the engineering stress-strain curve

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Reference no: EM13886971

The results of a tensile test on a steel test bar are given below. The initial gauge length was 25.0 mm and the initial diameter was 5.00 mm. The diameter at the fracture was 2.6 mm. The engineering strain and engineering stress in MPa are as follows;

Strain

Stress

Strain

Stress

Strain

Stress

0.0

0.0

0.06

319.8

0.32

388.4

0.0002

42.0

0.08

337.9

0.34

388.0.

0.0004

83.0

0.10

351.1

0.38

386.5

0.0006

125.0

0.15

371.7

0.40

384.5

0.0015

155.0

0.20

382.2

0.42

382.5

0.005

185.0

0.22

384.7

0.44

378.0

0.02

249.7

0.24

386.4

0.46

362.0

0.03

274.9

0.26

387.6

0.47

250

0.04

293.5

0.28

388.3

 

 

0.05

308.0

0.30

388.5

 

 

A. Plot the engineering stress-strain curve.

B. Determine i. Young's modulus, ii. the 0.2% offset yield strength, iii. the tensile strength, iv. the percent elongation, and v. the percent reduction of area.

Reference no: EM13886971

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