For a tensile test it can be shown that the percent cold work (%CW) is related to strain according to the following relationship: %CW=(εε+1) × 100 Using this equation, compute the percent cold work experienced by naval brass (for which the stress-strain behavior is shown in the Animated Figure 6.12) when a stress of 415 MPa (60190 psi) is applied.
For a tensile test it can be shown that the percent cold work (%CW) is related to strain according to the following relationship: %CW=(εε+1) × 100 Using this equation, compute the percent cold work experienced by naval brass (for which the stress-strain behavior is shown in the Animated Figure 6.12) when a stress of 415 MPa (60190 psi) is applied.
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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For a tensile test it can be shown that the percent cold work (%CW) is related to strain according to the following relationship:
%CW=(εε+1) × 100
Using this equation, compute the percent cold work experienced by naval brass (for which the stress-strain behavior is shown in the Animated Figure 6.12) when a stress of 415 MPa (60190 psi) is applied.
Transcribed Image Text:Tensile strength
450 MPa (65,000 psi).
Strain = 0
%3D
Stress = 0 MPA
%3D
500
Stress = 0 psi
%3D
70
Strain = 0
Stress = 0 MPA
60
Stress = 0 psi
400
50
103 psi
40
MPа
Yield strength
250 MPa (36,000 psi)
40
300
200
30
200
30
100
10
100
10
to.obs
0.10
0.20
0.30
0.40
Strain
Stress (103 psi)
20
20
Stress (MPa)
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