a) Explain Young's Modulus (Modulus of Elasticity, E). b) Using the engineering stress-strain curve above, measure and calculate the Modulus of Elasticity, E (Young's Modulus) of the test specimen by calculating the slope of the curve in the elastic region. (Show all your calculation in detail) Δσ E Δε Note that e is dimensionless (You should not use % strain in the calculations.) E (Value) E (Unit)

a) Explain Young's Modulus (Modulus of Elasticity, E). b) Using the engineering stress-strain curve above, measure and calculate the Modulus of Elasticity, E (Young's Modulus) of the test specimen by calculating the slope of the curve in the elastic region. (Show all your calculation in detail) Δσ E Δε Note that e is dimensionless (You should not use % strain in the calculations.) E (Value) E (Unit)

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

Modulus of Elasticity, E (Young’s Modulus):

E = σ/e

e: Strain, unit-less

σ : Stress, in N/m²

E : Young's modulus (Modulus of Elasticity), in N/m²

a) Explain Young's Modulus (Modulus of Elasticity, E).
b) Using the engineering stress-strain curve above, measure and calculate the Modulus
of Elasticity, E (Young's Modulus) of the test specimen by calculating the slope of
the curve in the elastic region. (Show all your calculation in detail)
Ao
E
Δε
Note that ɛ is dimensionless (You should not use % strain in the calculations.)
E (Value)
E (Unit)

Stress vs. Strain
517
465
414
362
310
155
103
51.7
5.00
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
Strain (%)
Stress (MPa)

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