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σMPa) 80 60 40 20 0.002 0.004 0.006 0.008 0.01 0.012 Figure 3

σMPa) 80 60 40 20 0.002 0.004 0.006 0.008 0.01 0.012 Figure 3

Elements Of Electromagnetics
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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Using the stress-strain curve in Figure 3, choose the correct answer for the following questions

σ(MPa) 80 60 40 20 0 - 0.002 0.004 0.006 0.008 0.01 0.012 Figure 3 i) Determine the value of yield strength. ii) Determine the value of ultimate strength. iii) Determine the value of modulus of elasticity iv) If the specimen is loaded to a stress of 65 MPa and then unloaded, determine the residual plastic strain. v) If the diameter of the unloaded specimen is 1 cm and the Poisson's ratio pf the material is v = 0.3, what is the specimen diameter just prior of yield of the tensile specimen?
Transcribed Image Text:σ(MPa) 80 60 40 20 0 - 0.002 0.004 0.006 0.008 0.01 0.012 Figure 3 i) Determine the value of yield strength. ii) Determine the value of ultimate strength. iii) Determine the value of modulus of elasticity iv) If the specimen is loaded to a stress of 65 MPa and then unloaded, determine the residual plastic strain. v) If the diameter of the unloaded specimen is 1 cm and the Poisson's ratio pf the material is v = 0.3, what is the specimen diameter just prior of yield of the tensile specimen?
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