Tensille strengin 450 MPa (65,000 psi) Strain = 0 Stress = 0 MPA 500 Stress = 0 psi 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 Hoobs 0.10 0.20 0.30 0.40 Strain Stress (103 psi) 20 T 20 ㅇ Stress (MPa)

Steel Design (Activate Learning with these NEW titles from Engineering!)
6th Edition
ISBN:9781337094740
Author:Segui, William T.
Publisher:Segui, William T.
Chapter1: Introduction
Section: Chapter Questions
Problem 1.5.5P: The results of a tensile test are shown in Table 1.5.2. The test was performed on a metal specimen...
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Tensile strength
450 MPa (65,000 psi).
Strain = 0
Stress = 0 MPA
500
Stress = 0 psi
70
Strain = 0
%3D
Stress = 0 MPA
60
Stress = 0 psi
400
50
103 psi
40
A
MРа
Yield strength
250 MPa (36,000 psi)
40
300
200
30
200
30
100
20
10
100
10
to.obs
0.10
0.20
0.30
0.40
Strain
Stress (MPa)
20
Stress (103 psi)
Transcribed Image Text:Tensile strength 450 MPa (65,000 psi). Strain = 0 Stress = 0 MPA 500 Stress = 0 psi 70 Strain = 0 %3D Stress = 0 MPA 60 Stress = 0 psi 400 50 103 psi 40 A MРа Yield strength 250 MPa (36,000 psi) 40 300 200 30 200 30 100 20 10 100 10 to.obs 0.10 0.20 0.30 0.40 Strain Stress (MPa) 20 Stress (103 psi)
For a tensile test it can be shown that the percent cold work (%CW) is related to strain according to the following relationship:
%CW = () × 100
E+1
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 400 MPa (58020 psi) is applied.
%CW
Transcribed Image Text:For a tensile test it can be shown that the percent cold work (%CW) is related to strain according to the following relationship: %CW = () × 100 E+1 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 400 MPa (58020 psi) is applied. %CW
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