The following uniaxial tensile testing data were collected from a ductile cast iron test specimen of initial diameter Do= 20.0 mm and initial length lo=40.0 mm. After fracture the total specimen length was lf= 47.42 mm and the specimen diameter was Df = 18.35 mm. engineering stress-strain plot, including the expanded inset figure and the numerical values shown in Table 1, all shown on the next page, determine the following: 1) the modulus of elasticity E 2) the 0.2% offset yield strength 3) the tensile strength 4) the maximum load that can be sustained by the specimen 5) the specimen length when plastic deformation started to occur Using the data given in the Stress Strain Curve Table 1. Strain Stress [MPa] 450 400 0.000463 79.57 350 350 0.000925 159.16 300 0.001388 238.74 300 250 0.005 286.49 250 200 0.015 334.23 150 0.039 381.98 200 100 0.1 416.99 150 0.188 397.89 50 100 0.002 0.004 0.006 0.008 0.01 50 Strain s 0.05 0.1 0.15 0.2 Strain ɛ Stress o [MPa] Stress o [MPa]

The following uniaxial tensile testing data were collected from a ductile cast iron test specimen of initial diameter Do= 20.0 mm and initial length lo=40.0 mm. After fracture the total specimen length was lf= 47.42 mm and the specimen diameter was Df = 18.35 mm. engineering stress-strain plot, including the expanded inset figure and the numerical values shown in Table 1, all shown on the next page, determine the following: 1) the modulus of elasticity E 2) the 0.2% offset yield strength 3) the tensile strength 4) the maximum load that can be sustained by the specimen 5) the specimen length when plastic deformation started to occur Using the data given in the Stress Strain Curve Table 1. Strain Stress [MPa] 450 400 0.000463 79.57 350 350 0.000925 159.16 300 0.001388 238.74 300 250 0.005 286.49 250 200 0.015 334.23 150 0.039 381.98 200 100 0.1 416.99 150 0.188 397.89 50 100 0.002 0.004 0.006 0.008 0.01 50 Strain s 0.05 0.1 0.15 0.2 Strain ɛ Stress o [MPa] Stress o [MPa]

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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